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# write a c++ program to find area of square, rectangle, circle and triangle using operator overloading.

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## Calculate area using function overloading - C++

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Q. Write a C++ program to calculate the area of triangle, rectangle and circle using function overloading. The program should be menu driven.Answer:

Function overloading allows to use the same function name for different functions. It is used to enhance the readability of the program. You can change the number of arguments or have different data types of arguments to overload a function.

In the below menu driven program, area() function is overloaded to calculate the area of triangle, rectangle and circle using function overloading.

#include#include

using namespace std;

float area(float r) {

return(3.14 * r * r);

}

float area(float b,float h)

{

return(0.5 * b * h);

}

float area(float l,float b)

{ return (l * b); } int main() { float b,h,r,l; int ch; do {

cout<<"\n 1. Area of Circle";

cout<<"\n 2. Area of Triangle";

cout<<"\n 3. Area of Rectangle";

cout<<"\n 4. Exit";

cout<<"\n\n Enter Your Choice : ";

cin>>ch; switch(ch) { case 1: {

cout<<"\n Enter the Radius of Circle : ";

cout<<"\n Area of Circle : "<

cin>>r;

break; } case 2: {

cout<<"\n Enter the Base & Height of Triangle : ";

cout<<"\n Area of Triangle : "<

cin>>b>>h;

break; } case 3: {

cout<<"\n Enter the Length & Bredth of Rectangle : ";

cout<<"\n Area of Rectangle : "<

cin>>l>>b;

break; } case 4: exit(0); default:

cout<<"\n Invalid Choice... ";

} }while(ch!=4); return 0; }

Output:1. Area of Circle

2. Area of Triangle

3. Area of Rectangle

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## C++ program to find area of square,rectangle,circle and triangle by using function overloading

Help me functions inline

23rd December 2019, 11:33 AM

Ghanshyam Dhruw 1 Answer NEW ANSWER 0

Show your effort to get help, this is not a code writing service.

Please try to do it yourself, the assignment is meant for improving your programming skills.

23rd December 2019, 12:48 PM

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## C++ Program to find Area using Function Overloading

Area using Function Overloading Write a C++ program to find Area of square,rectangle,circle and triangle using Function Overloading. Here’s a Simple C++ program…

## C++ Program to find Area using Function Overloading

By admin | 01.01.2017

Write a C++ program to find Area of square,rectangle,circle and triangle using Function Overloading. Here’s a Simple C++ program to find Area using Function Overloading in C++ Programming Language.

## What is Overloading in C++ ?

C++ allows you to specify more than one definition for a function name or an operator in the same scope, which is called function overloading and operator overloading respectively.

You can have multiple definitions for the same function name in the same scope. The definition of the function must differ from each other by the types and/or the number of arguments in the argument list. You can not overload function declarations that differ only by return type.

You can redefine or overload most of the built-in operators available in C++. Thus a programmer can use operators with user-defined types as well.

Overloaded operators are functions with special names the keyword operator followed by the symbol for the operator being defined. Like any other function, an overloaded operator has a return type and a parameter list.

Below is the source code for C++ program to find Area using Function Overloading which is successfully compiled and run on Windows System to produce desired output as shown below :

### SOURCE CODE : :

/* C++ program to find Area using Function Overloading */

#include

using namespace std;

int area(int); int area(int,int); float area(float);

float area(float,float);

int main() { int s,l,b; float r,bs,ht;

cout<<"Enter side of a square:";

cin>>s;

cout<<"Enter length and breadth of rectangle:";

cin>>l>>b;

cout<<"Enter radius of circle:";

cin>>r;

cout<<"Enter base and height of triangle:";

cout<<"Area of square is"<

cin>>bs>>ht;

cout<<"\nArea of rectangle is "<cout<<"\nArea of circle is "<cout<<"\nArea of triangle is "<

} int area(int s) { return(s*s); }

int area(int l,int b)

{ return(l*b); } float area(float r) { return(3.14*r*r); }

float area(float bs,float ht)

{ return((bs*ht)/2); }

### OUTPUT : :

/* C++ program to find Area using Function Overloading */

Enter side of a square:2

Enter length and breadth of rectangle:3 6

Enter radius of circle:3

Enter base and height of triangle:4 4

Area of square is4

Area of rectangle is 18

Area of circle is 28.26

Area of triangle is 8

Above is the source code and output for C++ program to find Area using Function Overloading which is successfully compiled and run on Windows System to produce desired output.

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Mohammed 2 month ago

Guys, does anyone know the answer?