**Multi Level Inheritance C++**

### Problem Statement :

This challenge is an extension of a previous challenge named Inheritance-Introduction. We highly recommend solving Inheritance-Introduction before solving this problem. In the previous problem, we learned about inheritance and how can a derived class object use the member functions of the base class. In this challenge, we explore multi-level inheritance. Suppose, we have a class A which is the base class and we have a class B which is derived from class A and we have a class C which is derived from class B, we can access the functions of both class A and class B by creating an object for class C. Hence, this mechanism is called multi-level inheritance. (B inherits A and C inherits B.) Create a class called Equilateral which inherits from Isosceles and should have a function such that the output is as given below. Sample Output I am an equilateral triangle I am an isosceles triangle I am a triangle

### Solution :

` ````
Solution in C :
#include <cmath>
#include <cstdio>
#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";
}
};
class Equilateral :public Isosceles{
public:
void equilateral(){
cout<<"I am an equilateral triangle\n";
}
};
//Write your code here.
int main(){
Equilateral eqr;
eqr.equilateral();
eqr.isosceles();
eqr.triangle();
return 0;
}
```

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