modeling-app/docs/kcl/std-math-polar.md

---
title: "std::math::polar"
excerpt: ""
layout: manual
---



Convert polar/sphere (azimuth, elevation, distance) coordinates tocartesian (x/y/z grid) coordinates.

```js
polar(angle: number(deg), length: number(mm)): [number(mm); 2]
```


### Arguments

| Name | Type | Description | Required |
|----------|------|-------------|----------|
| `angle` | `number(deg)` |  | Yes |
| `length` | `number(mm)` |  | Yes |

### Returns

`[number(mm); 2]`


### Examples

```js
exampleSketch = startSketchOn(XZ)
  |> startProfileAt([0, 0], %)
  |> line(end = polar(angle = 30, length = 5), tag = $thing)
  |> line(end = [0, 5])
  |> line(end = [segEndX(thing), 0])
  |> line(end = [-20, 10])
  |> close()

example = extrude(exampleSketch, length = 5)
```

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