---
id: 5900f4841000cf542c50ff96
challengeType: 5
title: 'Problem 279: Triangles with integral sides and an integral angle'
---
## Description
How many triangles are there with integral sides, at least one integral angle (measured in degrees), and a perimeter that does not exceed 108?
## Instructions
## Tests
```yml
tests:
- text: euler279() should return 416577688.
testString: assert.strictEqual(euler279(), 416577688);
```
## Challenge Seed
```js
function euler279() {
// Good luck!
return true;
}
euler279();
```