//Program to Calculate Area of Circle, a Rectangle or a Square

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{clrscr();

int r,L,B,s;

int ch;

float area;

cout<<"\n press 1 for circle";

cout<<"\n press 2 for rectangle";

cout<<"\n press 3 for square";

cout<<"\n enter your choice :";

cin>>ch;

switch(ch)

{case 1:cout<<"\n enter the radius:";

area=3.14*r*r;

cout<<"\n"<<"the area of the circle is"<<area<<"\n";

break;

case 2:cout<<"\n enter length and breadth of rectangle:";

cin>>L>>B;

area=L*B;

cout<<"\n"<<"the area of rectangle is"<<area<<"\n";

break;

case 3:cout<<"\n enter the sides of square:";

cin>>s;

area=(s*s);

cout<<"\n"<<"the area of the square is"<<area<<"\n";

break;

default:cout<<"\n wrong choice entered";

}

getch();

}

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{clrscr();

int r,L,B,s;

int ch;

float area;

cout<<"\n press 1 for circle";

cout<<"\n press 2 for rectangle";

cout<<"\n press 3 for square";

cout<<"\n enter your choice :";

cin>>ch;

switch(ch)

{case 1:cout<<"\n enter the radius:";

area=3.14*r*r;

cout<<"\n"<<"the area of the circle is"<<area<<"\n";

break;

case 2:cout<<"\n enter length and breadth of rectangle:";

cin>>L>>B;

area=L*B;

cout<<"\n"<<"the area of rectangle is"<<area<<"\n";

break;

case 3:cout<<"\n enter the sides of square:";

cin>>s;

area=(s*s);

cout<<"\n"<<"the area of the square is"<<area<<"\n";

break;

default:cout<<"\n wrong choice entered";

}

getch();

}

Program to Calculate Area of Circle, a Rectangle or a Square
Reviewed by SHERE KHOJRAHA
on
February 13, 2019
Rating:

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