# Answer to Question #52577 in C++ for Erick

Question #52577

In a right triangle, the square of the length of one side is equal to the sum of the squares of the lengths of the other two sides. Write a program that prompts the user to enter the lengths of three sides of a triangle and then outputs a message indicating whether the triangle is a right triangle.

Expert's answer

__Answer:__

**#include <iostream>**

**using namespace std;**

**int main(){**

**int a,b,c;**

**cout<<"Input firstside: ";**

**cin>>a;**

**cout<<"Input secondside: ";**

**cin>>b;**

**cout<<"Input thirdside: ";**

**cin>>c;**

**if((a*a+b*b==c*c)||(a*a+c*c==b*b)||(c*c+b*b==a*a))**

**cout<<"Triangleis right"<<endl;**

**else**

**cout<<"Triangleis not right"<<endl;**

**return 0;**

**}**

__Result:__**Input first side: 3**

**Input second side: 4**

**Input third side: 5**

**Triangle is right**

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