Hello coders, in this post we will how to write C Program to Calculate Area of Circle. This is a very basic C program.
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C Program to Calculate Area of Circle
#include<stdio.h>
int main()
{
/* variable declaration part */
int r;
float area;
/* Reading part */
printf("Enter Radius : ");
scanf("%d",&r);
/* Processing part */
area=3.14*r*r;
/* Output part */
printf("\nArea of Circle = %f",area);
return 0;
}
Output
Enter Radius : 7 Area of Circle = 153.860001
Conclusion
I hope after going through this post, you understand how to write a C Program to Calculate Area of Circle, if there is any case program is not working and showing an error please let me know in the comment section.
