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

float output()
{
    float r, h, surface_area;
    printf("Enter the base radius of the cone:-\n");
    scanf("%f", &r);
    printf("Enter the height of the cone:-\n");
    scanf("%f", &h);

    surface_area = M_PI * r * (r + sqrt((h * h) + (r * r))); //M_PI is MATH CONSTANT PI
    return surface_area;
}

float main()
{
    system("cls");
    float dis;
    dis = output();
    printf("Surface area of cone is:- %f", dis);
    return 0;
}

//........Coded by YASH ALLAPURIA