#include<stdio.h>
#include<conio.h>
void main()
{
int l, b, r, ar,cr, ac,cc ;
printf("Enter the length of rectangle: ");
scanf("\n%d",&l);
printf("Enter the width of rectangle: ");
scanf("\n%d",&b);
printf("\nEnter the radius");
scanf("\n%d",&r);
ar=l*b;
cr=2*(l+b);
printf("\nArea of rectangle is: ");
printf("\n%d",ar);
printf("\nCircumference of rectangle is: ");
printf("\n%d",cr);
ac=3.14*r*r;
cc=2*3.14*r;
printf("\nArea of cicle is: ");
printf("\n%d",ac);
printf("\nCircumference of cicle is: ");
printf("\n%d",cc);
getch();
}
Sample Output: