05.Input radius and calc area and circumference of circle.

//Program to input radius and calculate area and circumference of circle.
#include<stdio.h>
#include<conio.h>

void main()
{
    float radius;

    clrscr();

    printf("Enter radius of the circle: ");
    scanf("%f", &radius);
    printf("The circumference of circle of radius %f is: %f\nThe area of circle of radius %f is: %f", radius, 2*3.14*radius, radius, 3.14*radius*radius);

    getch();
}