C program to find the area of a circle
/* Write a C program to find the area of a circl, given the adius*/ #include <stdio.h> #include <conio.h> #include <math...
https://things-for-students.blogspot.com/2011/12/c-program-to-find-area-of-circle.html
/* Write a C program to find the area of a circl, given the adius*/
#include <stdio.h>
#include <conio.h>
#include <math.h>
#define PI 3.142
void main()
{
float radius, area;
clrscr();
printf("Enter the radius of a circle\n");
scanf ("%f", &radius);
area = PI * pow (radius,2);
printf ("Area of a circle = %f\n", area);
}
/*-----------------------------
Output
RUN1
Enter the radius of a circle
3.2
Area of a circle = 32.17
RUN 2
Enter the radius of a circle
6
Area of a circle = 113.11
------------------------------*/
