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C Program to Find the Circumference of a Circle

Learn about C Program to Find the Circumference of a Circle in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

C Program to Find the Circumference of a Circle

As we all know, a circle is the location of a group of points that constitute the perimeter and are equidistant from a single point in the centre. The circumference of a circle is the circumference of a circle.

All of the points to make up the circle’s boundary or circumference are equidistant from a single point inside the circle.

If the radius of a circle is denoted with “r” the formula for circumference is 2*PI*r.

Program:

#include<stdio.h>
#define PI 3.14
int main()
{
   float radius, area;

   printf("Enter the radius of the circle: ");
   scanf("%f",&radius);

   area = 2 * PI * radius;
   printf("Area of the circle having radius %.2f = %.2f",
                                         radius, area );

   return 0;
}

Output:

Enter the radius of the circle: 5
Area of the circle having radius 5.00 = 31.40

Hope above code works for you and Refer the below Related Codes to gain more insights. Happy coding and come back again.

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