#include<stdio.h>

#include<conio.h>

int main()

{

int r; // r=radius

float area;

printf(“Welcome to www.candcpp.com\n”);

printf(“Enter any radius: \n”);

scanf(“%d”,&r);

area=3.14*r*r; //area of circle=3.14*r*r

printf(“Area of circle is = %0.2f”,area);

getch();

return 0;

}