freeCodeCamp/curriculum/challenges/portuguese/08-coding-interview-prep/project-euler/problem-195-inscribed-circl...

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---
id: 5900f4311000cf542c50ff43
challengeType: 5
title: 'Problem 195: Inscribed circles of triangles with one angle of 60 degrees'
videoUrl: ''
localeTitle: 'Problema 195: Círculos inscritos de triângulos com um ângulo de 60 graus'
---
## Description
<section id="description"> Vamos chamar um triângulo de lados inteiros com exatamente um ângulo de 60 graus e um triângulo de 60 graus. Seja r o raio do círculo inscrito desse triângulo de 60 graus. Existem 1234 triângulos de 60 graus para os quais r ≤ 100. Seja T (n) o número de triângulos de 60 graus para os quais r ≤ n, T (100) = 1234, T (1000) = 22767 e T ( 10000) = 359912. <p> Encontre T (1053779). </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler195()</code> deve retornar 75085391.
testString: 'assert.strictEqual(euler195(), 75085391, "<code>euler195()</code> should return 75085391.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler195() {
// Good luck!
return true;
}
euler195();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>