Input
Output
#include<stdio.h> void main() { float r=3, a, c; //clrscr(); printf("Enter the radius of circle: "); printf("%f", r); a =3.14 *r *r; printf("\nArea of circle : %.2f\n", a); c=2*3.14*r; printf("\ncircumference of circle : %.2f", c); //getch(); }