C : Program for making cylinder calculator

Program :

//c program for making cylinder calculator

#include<stdio.h>

float curved_surface_area(float r, float h)
{
    return 2*3.14159265359*r*h;
}

float total_surface_area(float r, float h)
{
    return 2*3.14159265359*r*(r+h);
}

float volume_cyl(float r, float h)
{
    return 3.14159265359*r*r*h;
}

int main()
{
    float radius, height;

    printf("Cylinder Calculator\n\n");

    printf("Enter radius of cylinder : ");
    scanf("%f", &radius);


    printf("Enter height of cylinder : ");
    scanf("%f", &height);

    printf("\nCurved surface area of a cylinder = %.3f\n", curved_surface_area(radius, height));
    printf("Total surface area of a cylinder = %.3f\n", total_surface_area(radius, height));
    printf("Volume of cylinder = %.3f", volume_cyl(radius, height));

    return 0;
}
    

Output :