Program to find area of circle in C language. (Program 04)

/*Made by Anmol main

Student B.tech Cse

Punjabi university

Hindustan Coding

Program 04*/

#include<stdio.h>

#define pi 3.14

int main()

{int a; //write the fixed values of a and b if not then take it from the user

float area;

    printf("Enter radius of the circle\n");

    scanf("%d",&a);

    area = pi*a*a;

    printf("\nArea of the circle is %0.3f",area);

    return 0;

}