CODE TUNING

To calculate circumference & area of a circle

To accept the radius of a circle and to display its circumference and area

#include<stdio.h>

#define pi 3.14

Void main()

{

Float radius,circumference,perimeter,area;

Clrscr();

Printf(“enter radius of a circle”);

Scanf(“%f”,&radius);

circumference=2*pi*radius;

area=pi*radius*radius;

printf(“circumference of the circle is %.3g\n”,circumference);

printf(“area of the circle is %.3g”,area);

getch();

}