C Code for Angular Size (diameter)

This c programming code is used to find the angular size (diameter) . You can select the whole c code by clicking the select option and can use it. When you click text, the code will be changed to text format. This c program code will be opened in a new pop up window once you click pop-up from the right corner. You can just copy, paste this c code and use it to find the angular size (diameter) .

#include<stdio.h>
#include<math.h>
#define PI 3.14159265
int main()
{
    float l=2,d=2,s; 
    s=(2*180/PI)*(atan(d/(2*l)));
    printf("Angular Diameter  = %f",s);
    return 0;
}