Question

write a program to input the radius of a circle and find its area and perimeter​

Answer 1

/*C program to find area and perimeter of circle.*/

#include <stdio.h>

#define PI 3.14f

int main()

{

float rad,area, perm;

printf("Enter radius of circle: ");

scanf("%f",&rad);

area=PI*rad*rad;

perm=2*PI*rad;

printf("Area of circle: %f \nPerimeter of circle: %f\n",area,perm);

return 0;

}

hope u will be satisfied