Problem I (30pts): Energies of Signals and Their Combinations Using the well-known unit-step function ull), two real-valued deterministic energy signals x(i) and (d) are constructed as follows, x(1) = u(1) - (1-10) and y(i)= u(1) - 2u(1-5)+ult -10), with their energies denoted by E, and E, respectively, 1. 6pts) Sketch the waveforms of signals x(i), y(i) and the product signal p., () x() y(i), with critical points clearly marked. 2. (6pts) Find the values for the followings, E,=? and 5 p.160dn = 5 x0) 360)dt = 2 3. (10pts) Find energies for the following two new signals constructed from linear combinations of x(1) and y(t), i.e. 2:() = x(t)+ y(t), and z.(1) = x(1)- y(t). That is, Ez =? and Ez = ? 4. (8pts) Find energies for the following two new signals constructed from linear combinations of the time-shifted versions of x(t) and y(t), i.e., (1) = x(1 +5)+ y(t +5), and 2(1) = x(t +5), y(t +5). That is, E = ? and E. = ?

Based on the image attached, the reading of micrometer is= 15.20.

You will see a line of numbers running down the barrel of your micrometer, starting with the barrel scale. On the barrel scale, each number corresponds to 0.100. Looking at the barrel, 1 equals 0.100, 2 equals 0.200, 3 equals 300, and so on. The distance between each tick mark and the larger numbers on the barrel is 0.025, or 25 thousandths. 

Note that micrometer is one that is also referred to as a micrometer screw gauge—is a tool with a calibrated screw that is frequently used for precise measurement of components in mechanical engineering, and others.

Looking at the image, you will see the stop ends at 15 and  and 20 so adding them together will be option A. 15.20.

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When designing a set of simple test programs to determine the type compatibility rules of a C compiler to which you have access, it is important to consider the different data types that are used in C programming. An example of a set of test programs that can be used to determine the type compatibility rules of a C compiler:

Integer Test the compatibility of the C compiler with integer data types. It declares two variables of type int, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with integer data types.

Floating-Point Test  the compatibility of the C compiler with floating-point data types. It declares two variables of type float, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with floating-point data types.

By running the set of simple test programs described above, you can determine the type compatibility rules of a C compiler to which you have access. If any of the programs do not compile or run without errors, then you can determine which data types are not compatible with the C compiler and adjust your code accordingly.

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Answer:

it’s IGS

Explanation:

because i read

Answer:

snap trap baits

Explanation: its kind of obvi, but i took the test and got it right.

Answer:

Development of creative and develop ideas

Explanation:

First task as an entrepreneur is to be creative and develop ideas. The person must design the product based on which he will develop the business strategy.

The remaining activities such as marketing, fund raising, recruitment etc. comes at a later stage.

Using α = 0.4, the forecasted sales for 2011, 2012, and 2013 would all be $48,000, which is the same as the actual sales in 2009.

Using α = 0.8, the forecasted sales for 2011, 2012, and 2013 would also be $48,000.

In both cases, the forecasts for 2011, 2012, and 2013 remain the same as the actual sales in 2009 due to the zero difference between the actual and forecasted sales values.

To forecast sales for 2011, 2012, and 2013 using exponential smoothing, we need to apply the formula:

Forecast for the next period = Previous period's forecast + α * (Actual value - Previous period's forecast)

Given that the actual 2009 sales are $48,000 and are considered the forecast for 2010, we can calculate the forecasts for subsequent years using different values of α.

(a) For α = 0.4:

- Forecast for 2011 = $48,000 + 0.4 * ($48,000 - $48,000) = $48,000

- Forecast for 2012 = $48,000 + 0.4 * ($48,000 - $48,000) = $48,000

- Forecast for 2013 = $48,000 + 0.4 * ($48,000 - $48,000) = $48,000

Using α = 0.4, the forecasted sales for 2011, 2012, and 2013 would all be $48,000, which is the same as the actual sales in 2009.

(b) For α = 0.8:

- Forecast for 2011 = $48,000 + 0.8 * ($48,000 - $48,000) = $48,000

- Forecast for 2012 = $48,000 + 0.8 * ($48,000 - $48,000) = $48,000

- Forecast for 2013 = $48,000 + 0.8 * ($48,000 - $48,000) = $48,000

Using α = 0.8, the forecasted sales for 2011, 2012, and 2013 would also be $48,000.

In both cases, the forecasts for 2011, 2012, and 2013 remain the same as the actual sales in 2009 due to the zero difference between the actual and forecasted sales values.

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When designing roads, buildings, and bridges in a floodplain, engineers consider the statistical probability of a flood of a given size happening in a given year. A 50-year flood has a 2 percent probability  (1/50) of occurring in a given year.

A floodplain, also known as a flood plain or bottomlands, is an area of land next to a river that extends from the banks of its course to the foot of the valley walls and suffers flooding during high discharge times.

Floodplains help wildlife by providing a range of habitats for fish and other creatures. Furthermore, floodplains are crucial for water storage and conveyance, water quality preservation, and groundwater recharge.

Note that the options the above question are not available hence the general answer.

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Answer:

it's not included

Explanation:

plz exact ur explain

Answer:

si amor

Explanation:

Hoiykñjdnlklbutrk

i) Truth table listing all combinations of the input signals F, G, D and R:Given: Switch for the farmer provides logic signal F, which is high if the farmer is on the east bank and low if he is on the west bank. Similar logic signals (G for the goose, D for the dog, and R for the rye) are high if the corresponding object is in the east bank and low if it is on the west bank.

The logic signal A (Alarm), which is the output, is high any time the rye or the goose is in danger of being eaten.F  G  D  R  A0  0  0  0  00  0  0  1  10  0  1  0  10  1  0  0  10  1  1  0  10  1  1  1  1Now, the desired value of the output, A, for each row in the truth table is shown below: 0000 0001 0010 0100 1000 1111ii) SOP (Sum of Products) and POS (Product of Sums) expressions from the truth table:The sum of products (SOP) is A = F' G' D' R + F' G' D R' + F G' D' R' + F G' D R' + F G D' R'The product of sums (POS) is A = (F + G + D' + R')(F + G' + D + R')(F' + G + D + R')(F + G' + D' + R')(F + G + D' + R')Therefore, the SOP expression from the truth table is A = F' G' D' R + F' G' D R' + F G' D' R' + F G' D R' + F G D' R' and the POS expression from the truth table is A = (F + G + D' + R')(F + G' + D + R')(F' + G + D + R')(F + G' + D' + R')(F + G + D' + R').Explanation:This problem is related to the logic circuit that should be designed to replicate the conditions of a riddle that involves a farmer who has a sack of rye, a goose, and a mischievous dog. When the farmer comes across a river, he must cross it from east to west. A boat is available, but it only has space for the farmer and one of his possessions. If the farmer is not present, the goose will eat the rye or the dog will eat the goose. A circuit is required to replicate this riddle's conditions, with four switches provided for the farmer, the rye, the goose, and the dog.

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The demonstration of apparent movement provides support for the gestalt approach because it emphasizes the role of perceptual organization and the brain's tendency to perceive patterns and wholes rather than isolated elements.

The gestalt approach to psychology focuses on how humans perceive and interpret the world around them. It suggests that perception is not solely based on the sum of individual sensory stimuli but is influenced by the organization and structure of those stimuli. According to gestalt principles, our brains naturally seek to perceive objects and scenes as meaningful, organized wholes rather than unrelated parts.

One phenomenon that supports the gestalt approach is apparent movement, also known as the phi phenomenon. Apparent movement refers to the perception of motion when a sequence of static images is presented in rapid succession. For example, when a series of still images is projected in quick succession, our brains perceive it as continuous motion, such as in movies or animations.

The gestalt approach argues that apparent movement occurs because our brains fill in the missing information between the static images and organize them into a coherent pattern of motion. Instead of perceiving individual frames as separate entities, we perceive them as a unified and continuous whole.

This demonstration of apparent movement supports the gestalt approach by highlighting our brain's innate tendency to organize sensory input into meaningful patterns and wholes. Rather than perceiving isolated frames, we perceive a continuous motion based on the principles of closure, continuity, and similarity, which are fundamental concepts within the gestalt framework.

In summary, the demonstration of apparent movement provides support for the gestalt approach because it showcases our brain's inclination to organize sensory stimuli into coherent patterns and wholes, aligning with the fundamental principles of perceptual organization proposed by the gestalt psychologists.

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The green building emphasizes using sustainable design processes.

The is that green buildings are structures that are built with environmentally sustainable design processes, that save energy, water, and other natural resources, and that provide a healthier living environment for people. Green buildings are not only environmentally friendly but also sustainable and cost-efficient.What is green building?Green building refers to the process of building a structure that reduces its impact on the environment and human health throughout its life cycle. This process integrates into the design and construction of a building's sustainability and energy-efficiency, using a holistic approach from site selection to demolition.The most efficient way to reduce a building's environmental footprint is to design it with sustainable materials and technologies that minimize the use of natural resources and energy. This design process is called green building design. A green building design process aims to minimize a building's energy consumption, optimize its use of natural light and ventilation, and reduce the amount of waste it generates. A green building design process also emphasizes the use of renewable energy sources, such as solar and wind power, to reduce a building's reliance on nonrenewable sources of energy.

The green building emphasizes using sustainable design processes. These green buildings are structures that are built with environmentally sustainable design processes, that save energy, water, and other natural resources, and that provide a healthier living environment for people.

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Answer:

Q=I^2Rt

Explanation:

The principle of resistance welding is the Joule heating law where the heat Q is generated depending on three basic factors as expressed in the following formula

Q=I^2Rt

I is the current passing through the metal combination

R is the resistance of the base metals and the contact interfaces

t is the duration/time of the current flow.

Using the principle of mathematical induction, we can prove the largest term property of Big-Oh for sums of more than two functions. We already know that the property holds for a sum of two functions. Let's assume it holds for m functions, and we will prove that it holds for m+1 functions.

Let fi(n) be positive functions such that fi(n) = O(gi(n)) for all 1 ≤ i ≤ m+1. We want to show that ∑ fi(n) = O(max{g1(n), g2(n), ..., gm+1(n)}).

Base case (m=1): We have f1(n) + f2(n) = O(max{g1(n), g2(n)}), which is already established.

Inductive step: Assume the property holds for m functions, i.e., ∑ fi(n) = O(max{gi(n)}). Now consider the sum of m+1 functions, i.e., ∑ fi(n) + fm+1(n).

By the inductive hypothesis, ∑ fi(n) = O(max{gi(n)}) and fm+1(n) = O(gm+1(n)). Let's say that h1(n) = max{gi(n)} and h2(n) = gm+1(n). Then, ∑ fi(n) = O(h1(n)) and fm+1(n) = O(h2(n)). By the two-function largest term property, ∑ fi(n) + fm+1(n) = O(max{h1(n), h2(n)}). Since max{h1(n), h2(n)} = max{gi(n), gm+1(n)} = max{gi(n)}, the property holds for m+1 functions.

Thus, by induction, the largest term property of Big-Oh applies to sums of more than two functions.

Analyzing the worst-case time complexity of the Iterative Mod algorithm, the while loop runs until r < d, and in each iteration, r is reduced by d. The worst-case occurs when r starts with the maximum value (n) and is reduced by the minimum value (1) in each step. Therefore, the while loop will run n times. Since the operations inside the loop take constant time, the overall time complexity is O(n).

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According to the question, the stress developed in the rod and the tube is 64.68 N/mm³and the extension of the rod is 1.294 mm.

Change of any kind that strains a person physically, mentally, or emotionally is regarded as stressful. Stress is the body's response to anything that requires concentration or activity. Everyone goes through periods of stress.

Diameter of rod = 25 mm

Length of rod = 400 mm

External diameter of tube = 35 mm

Inside diameter of tube = 30 mm

E for steel = 200GN/m²

E for copper = 100GN/m²

A₁ = π/4 × (25)²

A₂ = 490.87 mm²

A₂ = π/4 (35² - 30²)

A₂ = 255.25 mm²

for equilibrium -

P₁A₁ + P₂A₂

= P

= 40 × 10³

so,

P₁²/E₁ = P₂²/E₂

P₁ = P₂ × (200/100)

P₁ = 2P₂

2P₂A₂ + P₂A₂ = 40 × 10³

P₂ = 32.34 N/mm³

P₁ = 2P₂ = 64.68 N/mm³

P₁ = 64.68 N/mm³

extension of rod = (64.88 × 4000) / (2×10³)

extension of rod = 1.294 mm

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My mother lives.

From the point of view of the sentence, the mother is living far away from the point of her child. She is living not very far but from the point of view of the streets. She is living in her old apartment that is at the end of the road.

Hence says lives just the corner from me.

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The given parameters include;

From the image uploaded;

The resolution of the vectors along the sides of the triangle is as follows;

forces -------angle (θ) --------y-component-------x-component

3p -------------  60⁰ --------- ----2.598 p ------------------- 1.5 p

5p -------------- 60⁰ ------------ (-4.33p) ------------------- 2.5 p

7p -------------- 60⁰ -------------  0   -------------------------- (-7p)

sum:                                   ( -1.732 p) y                  (-3P)x

The resultant of the vectors:

R² = (-1.732 p)²  +  (-3P)²

R² = 11.998 p²

R = √(11.998 p²)

R = 3.46 p

The direction of the vector:

\(\theta = tan^{-1} (\frac{y}{x} )\\\\\theta = tan^{-1} (\frac{-1.732}{-3} )\\\\\theta = tan^{-1} (0.577)\\\\\theta = 29.98 \ ^0\)

The position of the vector = 180 - θ = 180 - 29.98 = 150⁰ (second quadrant)

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True. A time division multiplexer (TDM) is a device that combines multiple data streams by assigning each stream a specific time slot within a set time frame.

A time division multiplexer joins data streams by allotting every stream different time slots in a set.

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You may not elect to attend an approved four-hour basic driver improvement course if you 'have a commercial driver's license (CDL)'.

A Commercial Driver's License (CDL) is required in the US to drive commercial motor vehicles such as passenger buses, tractor-trailers, semi-trucks, and dump trucks. As per the given scenario where you receive a moving violation and are elected to attend an approved four-hour basic driver improvement course to remove the points concerning the traffic ticket, you may not elect to attend the course in case you 'have a commercial driver's license (CDL)'.

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Answer:

a

Explanation:

Answer:

A. Blackhole

C. Physical disconnection/air gapping

D. Sandboxing

Here are the methods of containment based on the concept of isolation:

Physical disconnection/air gapping is the most effective method of isolation, separating the infected system from the rest of the network.

Sandboxing isolates the infected system in a controlled environment, allowing analysis and cleaning without affecting the rest of the network. Quarantine isolates the infected system from the rest of the network until it can be cleaned, preventing it from infecting other systems.

The following methods are not based on the concept of isolation:

Blackhole: This is a method of redirecting malicious traffic to a dead end. This does not isolate the infected system, but it does prevent the malicious traffic from reaching other systems on the network.

Sinkhole: This is a method of redirecting malicious traffic to a honeypot. This does not isolate the infected system, but it does allow security researchers to collect information about the malicious traffic.

Therefore, the methods of containment based on the concept of isolation are Physical disconnection/air gapping, Sandboxing, and Quarantine.

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Answer:

See explanation.

Explanation:

Since no figure was given I solved a problem that was similar to the one you described that I worked in my mechanics of materials class. The method should be very similar for your figure. See attached image for my work.

If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.

We need to perform a two step process to obtain the maximum shear stress on the shaft. For the solid shaft,

P=2×pi×N×T/60 or T=60×p/2×pi×N

Where P=power transmitted by the shaft=50×10³W

N=rotation speed of the shaft in rpm=730rpm

Pi=3.142

T is the twisting moment

By substituting the values for pi, N and P, we get

T=654Nm or 654×10³Nmm

Also, T=pi×rho×d³/16 or rho=16×T/pi×d³

Where rho=maximum shear stress

T = twisting moment=654×10³Nmm

d= diameter of shaft= 40mm

By substituting T, pi and d

Rho=52Mpa

b. For a hollow shaft, the value for rho is unknown

T=pi×rho(do⁴-di⁴/do)/16

Rho=T×16×do/pi×(do⁴-di⁴)

Where

T= twisting moment=654×10³Nmm gotten above

do=outside shaft diawter=40mm

di= inside shaft diameter =30mm

Pi=3.142

Substituting values for pi, do, di and T.

Rho=76Mpa

Therefore, If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.

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Integrating renewable energy sources to the grid brings various issues that need to be addressed.

One of the main challenges is the intermittency and variability of renewable generation. Solar and wind power are dependent on weather conditions, resulting in fluctuations in power output. This requires grid operators to manage the balance between supply and demand in real-time.

Power electronics are essential in smart grid networks to overcome these challenges. They enable efficient conversion and control of electrical power, allowing for the integration of renewable sources into the grid. Grid-connected inverters convert DC power from sources like solar panels into AC power that can be synchronized with the grid. They also provide voltage and frequency control to stabilize the grid during varying renewable generation.

Power electronics are crucial for energy storage systems as well. They facilitate the charging and discharging of batteries, enabling the storage of excess renewable energy for later use. This helps in balancing supply and demand and providing a more consistent power supply to the grid.

Overall, power electronics play a pivotal role in managing the challenges associated with integrating renewable energy sources into the grid, ensuring grid stability, optimizing power flow, and enabling effective energy storage.

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Answer:

The maximum mixing height in meters is 5,000 m

Explanation:

In this question, we are expected to calculate the maximum mixing height in meters.

We identify the following parameters;

Lapse rate(L) = 0.2 °C/100 m = 0.002 °C/m (divide 0.2 by 100 to get this)

Mathematically;

Lapse rate(L) = Temperature difference/altitude (h)

Where the temperature difference is (25 °C -15 °C) = 10°C

Substituting this in the formula, we have;

0.002 = 10/h

h * 0.002 = 10

h = 10/0.002

Altitude(h) = 5,000 m

Answer:

they are fictional characters featured in video games etc

Answer: Mario and Luigi are game characters, which feature in the Super Mario Maker series, the Paper Mario series, but most notably, the Super Mario Bros. series. Mario debuted in Donkey Kong (1981), while Luigi debuted in Mario Bros (1983, not to be confused with Super Mario Bros, which released two years after Mario Bros).

The statement claimed that combining purple and yellow produced a brown colour.

The color purple is commonly associated with royalty, aristocracy, richness, power, and ambition. Some meanings linked with the color purple include wealth, extravagance, creativity, wisdom, dignity, grandeur, devotion, tranquillity, pride, mystery, independence, and even magic.

Purple has the most intense visible wavelength of any color in the rainbow. Purple may symbolize for a variety of ideas, but to put it succinctly, it stands for power, strength, change, and royalty. Purple has associations with strength, dignity, opulence, knowledge, and spirituality.

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Electric reach and deep reach forklift trucks, order-selector trucks, sideloaders, and turret trucks fall under Class 2: Electric narrow aisle forklifts.

The correct answer is B. Class 2: Electric narrow aisle forklifts. This class includes forklift trucks designed for operation in narrow aisles and confined spaces, utilizing electric motors. Electric reach and deep reach forklift trucks are commonly used in warehouses and distribution centers to handle pallets at higher levels. Order-selector trucks, also known as order pickers, are used for manually picking individual items from shelves. Sideloaders are specialized forklifts with the ability to transport long and bulky loads sideways. Turret trucks, also known as very narrow aisle (VNA) forklifts, have rotating masts and are used in high-density storage environments. These trucks are all categorized under Class 2 due to their common feature of electric power and narrow aisle capabilities.

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The reason that operations managers consider these aspects is because they want to provide quality service to the users of the telephone line.

Globalization is a term that refers to an economic, technological, political, social and cultural process that has had influence throughout the world. Globalization is based on the growing communication and interdependence between the different countries of the world, uniting their markets and societies.

This situation is related to globalization because it shows that companies can hire employees anywhere in the world because technology allows a person from India to communicate with someone from the United States without any difficulty.

Additionally, it is part of globalization because employees are trained so that their English accent is similar to that of the United States so that users of the line do not detect that they are from another country and feel more confident to book their tickets.

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Answer:

A

Explanation:

a) In the first circuit configuration, we can represent the microphone signal and the noise signal as two separate signal sources connected in series with the long leads.

b) To find the values of Vcm, Vid, V1, and V2, we need to consider the characteristics of the differential signal and the common mode signal.

The microphone signal has an output of 2mV at a frequency of 1047 Hz, while the noise signal has an amplitude of 0.25V at a frequency of 60 Hz. The circuit can be drawn as follows:

Mic Signal --|---[Microphone]---|---[Long Leads]---|

            |                                  |

Noise Signal-|----------------------------------|

In the second circuit configuration, we can represent the microphone signal and the noise signal as a common signal source with two 1/2 amplitude differential signals. The circuit can be drawn as follows:

[Microphone]--|---[Long Leads]---|

            |                  |

  Noise Signal (Vcm)    Differential Signal (Vid)

b) To find the values of Vcm, Vid, V1, and V2, we need to consider the characteristics of the differential signal and the common mode signal.

Vcm represents the common mode voltage, which is the average voltage of the differential signals. In this case, Vcm is equal to the noise signal amplitude, which is 0.25V.

Vid represents the differential signal voltage, which is the difference between the microphone signal and the noise signal. Vid is calculated by subtracting the noise signal amplitude from the microphone signal amplitude. Thus, Vid = 2mV - 0.25V.

V1 and V2 represent the individual voltages of the differential signals. Since the differential signals are equal in amplitude but opposite in phase, V1 is equal to Vid/2 and V2 is equal to -Vid/2.

By substituting the values given for Vid and Vcm, you can calculate the specific voltage values for V1 and V2.

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Answer:

Analyzing building related carbon emissions remains as one of the most increasing interests in sustainability research. While majority of carbon footprint studies addressing buildings differ in system boundaries, scopes, GHGs and methodology selected, the increasing number of carbon footprint reporting in response to legal and business demand paved the way for worldwide acceptance and adoption of the Greenhouse Gas Protocol (GHG Protocol) set by the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Current research is an important attempt to quantify the carbon footprint of the U.S. residential and commercial buildings in accordance with carbon accounting standards and Scopes set by WRI, in which all possible indirect emissions are also considered. Emissions through the construction, use, and disposal phases were calculated for the benchmark year 2002 by using a comprehensive hybrid economic input–output life cycle analysis. The results indicate that emissions from direct purchases of electricity (Scope 2) with 48% have the highest carbon footprint in the U.S. buildings. Indirect emissions (Scope 3) with 32% are greater than direct emissions (Scope 1) with 20.4%. Commuting is the most influential activity among the Scope 3 emissions with more than 10% of the carbon footprint of the U.S. buildings overall. Construction supply chain is another important contributor to the U.S. building's carbon footprint with 6% share. Use phase emissions are found to be the highest with 91% of the total emissions through all of the life cycle phases of the U.S. buildings.

Explanation:

One of the areas of sustainability research that is receiving the greatest attention right now is the analysis of building-related carbon emissions. Although the bulk of studies on carbon footprints of buildings have different system limits, scopes, GHGs, and methodology choices.

Building, road, bridge, or other structure construction, as well as steel structure manufacturing, are all considered to be part of the category of "construction works."

Building for commercial use is referred to as commercial construction. Commercial construction includes building for shops, offices, and educational institutions.

Residential development is concentrated on creating homes. Residential construction includes buildings like houses, apartments, and housing complexes.

With a 6% share, the construction supply chain is a significant contributor to the carbon footprint of American buildings.

With 91% of all emissions from all phases of the life cycle of American structures, use phase emissions are determined to be the greatest.

Thus, this is the scope of residential and commercial construction.

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Using the knowledge in computational language in C++ it is possible to write the code being write a class having two private variables

#include <iostream>

using namespace std;

class Rectangle { /*create a class named Rectangle*/

  private:

  float l,b; /*this class has two private variables l and b*/

  public:

  float getArea(float l, float b) /*this class has one member-function getArea which returns the area of the rectangle*/

  {

   return l*b; /*return the area of the rectangle*/

  }

};

int main () { /*the main function to check the working of our Rectangle class*/

 float l,b;

 Rectangle r1; /*create an object r1 of Rectangle class*/

 cout<<"Enter the length of the rectangle: ";

 cin>>l; /*input the length of the rectangle from the user*/

 cout<<"Enter the breadth of the rectangle: ";

 cin>>b; /*input the breadth of the rectangle from the user*/

 cout <<"Area of the rectangle is: "<< r1.getArea(l,b)<<" square units."; /*find the area of the rectangle using the member function of the class*/

 return 0;

}

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