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Program to find the area of a circle and rectangle

Program to find the area of a circle and rectangle .
Source Code: 
#include<conio.h>

#include<stdio.h>

#include<math.h>

int main()

{

float Ac,Ar,r,l,b;

printf("\n enter the radius:");

scanf("%f",&r);

Ac=3.14*r*r;

printf("\n the area of the circle is:%f",Ac);

printf("\n enter the length and breadth of the rectangle:");

scanf("%f%f",&l,&b);

Ar=l*b;

printf("\n the area of the rectengle is:%f",Ar);

return 0;

}
Output:


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