freeCodeCamp/curriculum/challenges/portuguese/08-coding-interview-prep/project-euler/problem-91-right-triangles-...

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---
id: 5900f3c71000cf542c50feda
challengeType: 5
title: 'Problem 91: Right triangles with integer coordinates'
videoUrl: ''
localeTitle: 'Problema 91: Triângulos retos com coordenadas inteiras'
---
## Description
<section id="description"> Os pontos P (x1, y1) e Q (x2, y2) são plotados em coordenadas inteiras e unidos à origem, O (0,0), para formar ΔOPQ. <p> Existem exactamente catorze triângulos que contêm um ângulo recto que pode ser formado quando cada coordenada se situa entre 0 e 2 inclusive; isto é, 0 ≤ x1, y1, x2, y2 ≤ 2. </p><p> Dado que 0 ≤ x1, y1, x2, y2 ≤ 50, quantos triângulos retângulos podem ser formados? </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler91()</code> deve retornar 14234.
testString: 'assert.strictEqual(euler91(), 14234, "<code>euler91()</code> should return 14234.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler91() {
// Good luck!
return true;
}
euler91();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>