#include<stdio.h> |
float area(float); //Declaration |
void main() |
{ |
float r,a; |
printf("\nEnter The radius of circle : "); |
scanf("%f",&r); |
a=area(r); |
printf("\nArea of Circle : %f",a); |
} |
float area(float r) |
{ |
float
a; |
a=3.14*r*r; |
return(a); |
} |