List of C Programs
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Program #15: To Find Area & Circumference of Circle

C Language 

#include<stdio.h>
#include<conio.h>
void main() 
{
    float r,a,c;
    clrscr();
    printf("Enter radius");
    scanf("%f",&r)
    a=3.14*r*r;
    c=2*3.14*r;
    printf("Area=%f\n",a);
    printf("Circumference = %f",c);
    getch();
}

/*OUTPUT*/
Enter radius 2.0
Area= 12.560000
Circumference = 12.560000

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