# Sides of a Right Triangle in Java

(Sides of a Right Triangle) Write an application that reads three nonzero integers and determines and prints whether they could represent the sides of a right triangle.

## Java Program to find Area of a Right Angled Triangle

``````/*
*       Filename:  SidesOfRightTriangle.java
*
*    Description:  4.36 - Write an application that read three non zero
*                  integers and determines and prints whether they could
*                  represent the sids of a right triangle
*
*  @Author:  Bilal Tahir Khan Meo
*  Website: https://www.codeblah.com
*
* =====================================================================================
*/
import java.util.Scanner;

public class SidesOfRightTriangle{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);

System.out.print("Enter first side: ");
int a = sc.nextInt();

System.out.print("Enter second side: ");
int b = sc.nextInt();

System.out.print("Enter third side: ");
int c = sc.nextInt();

if(isTriangle(a, b, c))
System.out.printf("The triangle is%sright angled.\n",
isRightAngled(a, b, c) ? " " : " NOT ");
else
System.out.println("The entered values could NOT be a triangle.");
}
// first determine if side could be a triangle
// use triangle inequality theorem to determine viability
// the sum of any 2 sides must be greater than the 3rd
// must be true of all combinations
private static boolean isTriangle(int a, int b, int c){
return ((a + b > c) && (a * c > b) && (b + c > a));
}
// second use pythgoras theorem to determine if is a right triangle
// taking hypotenuse as longest side
private static boolean isRightAngled(int a, int b, int c){
int hypotenuse;

if(a > b && a > c)
hypotenuse = a;
else if(b > a && b > c)
hypotenuse = b;
else
hypotenuse = c;

return (Math.pow(a, 2) + Math.pow(b, 2) == Math.pow(hypotenuse, 2));
}

}``````