#include <stdio.h>
#include <stdlib.h>
#include <math.h>

const float pi = 3.142; // Constant global Variable

float op(float r, float h)
{
    float surface_area;
    surface_area = pi * r * (r + sqrt((h * h) + (r * r)));
    printf("Surface area of cone is:- %f", surface_area);
}

float main()
{
    system("cls");
    float r, h;
    printf("Enter the base radius of the cone:-\n");
    scanf("%f", &r);
    printf("Enter the height of the cone:-\n");
    scanf("%f", &h);
    op(r, h);
    return 0;
}
//.......Coded by YASH ALLAPURIA