tolong ... tambahkan //comment di setiap lane program ane dong
 

#include // is a declaration of basic standart input-output library

#include // is a declaration of mathematical function



class menu{

float x,y;



public:

menu (float,float);

~menu ();

float LL() {return (3.14*x*x); }

float K() {return (x/y); }

float P() {return (x/(y*y)); }

float S() {return (0.5 * x *y);}

float PP() {return (x*y);}

float KBS() {return (x*x*x);}

float B() {return (4*3.14*x*x);}

};



menu::menu (float data1, float data2) {x = data1; y = data2;};



menu::~menu() {cout