Skip to content

C Program to find area and circumference of Circle

by yashan on August 19th, 2011

Make a simple c program to find the area and circumference of the circle by inputting the radius of the circle.Below is the sample of the C program with solution -

/*C program to find the area and circumference of circle*/
void main()
     float r,pi=3.14,cir,area;

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


     printf("\n Circumference of circle is \t %f",cir);
     printf("\n Area of circle is \t %f",area);

Input -
Enter the radius of the circle – 3

Output -
Circumference of circle is 18.84
Area of circle is 28.26

  1. thanks a lot share this code with me.

  2. Gobinda Rabha permalink

    void main()
    printf(“Above program was awesome…………..thank you”);

  3. pari permalink

    pls any one can tell me the program of the number is prime or not..

  4. awesome solution. can you pls tell me what is the difference between
    void main() and int main()

  5. int main() and void main() both are same its like you are telling the os that main is giving some thing and at last it gives 0 and in case of void main() you are specifying that your main does not return any thing .thatz it int is old style of coading and void main is the new style

  6. hello!,I love your writing very so much! share we keep up a correspondence extra
    approximately your post on AOL? I require an expert in this area to unravel my problem.

    Maybe that is you! Looking forward to look you.

  7. This post is very informative but it took me a long time
    to find it in google. I found it on 22 spot,
    you should focus on quality backlinks building, it will help you to rank to google top 10.
    And i know how to help you, just search in google
    - k2 seo tips

Leave a Reply

Note: XHTML is allowed. Your email address will never be published.

Subscribe to this comment feed via RSS