C Code for Annulus Area

This c programming code is used to find the annulus area . 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 annulus area .

#include<stdio.h>
#include<math.h>
int main()
{
  float area,radiusOuter=21,radiusInner=10;
    if(radiusInner>radiusOuter)
    {
      printf("\nOuter Radius should be greated than Inner Radius");
    }
    else
    {
      area=3.14*(pow(radiusOuter,2)-pow(radiusInner,2));
      printf("\nArea of Annulus = %f",area);
    }
  return 0;
}