C Program to Find the volume and surface area of cone

/*

 * C Program to Find the volume and surface area of cone

 */

#include <stdio.h>

#include <math.h>

int main()

{

    float radius, height;

    float surface_area, volume;

    printf("Enter value of radius and height of a cone :\n ");

    scanf("%f%f", &radius, &height);

    surface_area = (22 / 7) * radius * (radius + sqrt(radius * radius + height * height));

    volume = (1.0/3) * (22 / 7) * radius * radius * height;

    printf("Surface area of cone is: %.3f", surface_area);

    printf("\n Volume of cone is : %.3f", volume);

    return 0;

}