Dev - C++ - área de la base, área lateral, área total y volumen de la pirámide

#include <iostream>

#include <cmath>

using namespace std;

const float PI = 3.14159265359;

float areaBase(float r);

float areaLateral(float r, float g);

float areaTotal(float r, float g);

float volumen(float r, float g);

int main()

{

    float r, g;

    cout << "Radio: "; cin >> r;

    cout << "Altura lateral o Generatriz: "; cin >> g;

    cout << "\nArea de la Base: " << areaBase(r);

    cout << "\nArea Lateral: " << areaLateral(r, g);

    cout << "\nArea Total: " << areaTotal(r, g);

    cout << "\nVolumen: " << volumen(r, g);

    cout << endl;

    return 0;

}

float areaBase(float r)

{

    return PI * r * r;

}

float areaLateral(float r, float g)

{

    return PI * r * g;

}

float areaTotal(float r, float g)

{

    return PI * r * (g + r);

}

float volumen(float r, float g)

{

    int h;

    h = sqrt((g * g) - (r * r));

    return  PI * r * r * h / 3;

}