Write c program that accept radius of circle and prints its are and circumference

#include<stdio.h>

#include<conio.h>

int main()

{

float r,a,c;

printf("input radius of a circle in cm:");

scanf("%f",&r);

a=3.14*r*r;

c=2*3.14*r;

printf("area=%.2fsq cm\n",a);

printf("circumference=%.2fsq cm",c);

getch();

}

                                  

                                              AHAD🙏