#pragma once
#include <iostream>
#include <math.h>

class Square
{
public:
	double side;
	Square(double side) {
		this->side = side;
	};
	virtual double getDiagonal() {
		return this->side * sqrt(2);
	};
	double getPerimeter() {
		return this->side * 4;
	};
	virtual double getArea() {
		return this->side * this->side;
	};
};