inheritance_introduction.cpp

#include <cmath>
#include <vector>
#include <iostream>
#include <algorithm>

using namespace std;

class Triangle{
public:
    void triangle(){
        cout<<"I am a triangle\n";
    }
};

class Isosceles : public Triangle{
public:
    void isosceles(){
        cout<<"I am an isosceles triangle\n";
    }

    void description() {
        cout << "In an isosceles triangle two sides are equal\n";
    }
};

int main(){
    Isosceles isc;
    isc.isosceles();
    isc.description();
    isc.triangle();
    return 0;
}