freeCodeCamp/curriculum/challenges/chinese/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: 问题195内切三角形的圆形一个角度为60度
---
## Description
<section id="description">让我们称一个整数边三角形其中一个角度为60度一个60度的三角形。设r是这样的60度三角形的内切圆的半径。有1234个60度三角形其中r≤100。设Tn是60度三角形的数量其中r≤n因此T100= 1234T1000= 22767和T 10000= 359912。 <p>找到T1053779</p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler195()</code>应返回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>