#pragma once
#include "Triangle.h"
class RTriangle : public Triangle {
protected: double z;


public: RTriangle(double ix, double iy, double iz = 0) :Triangle(ix, iy) { z = iz; }
		~RTriangle() { cout << "deleting triangle" << endl; }
		void print() { cout << "a triangle with sodes" << x << "and" << y << "and " << z << endl; }
		void area() {
			double p_2 = 0.5*(x + y + z);
			double s = sqrt(p_2*fabs(p_2 - x)*fabs(p_2 - y)*fabs(p_2 - z));
			cout << "has an area of " << s << endl;
		}
		void obwod() { cout << "has a perimeter of" << x << y << z << endl; }

};