---
id: 5d8a4cfbe6b6180ed9a1ca33
title: Part 86
challengeType: 0
dashedName: part-86
---
# --description--
Chain the function `outerRadius(100)` to the arc. This will set the outer radius of the pie chart to 100.
# --hints--
test-text
```js
assert(
/const pieArc = d3\.arc\(\)\s*\.\s*outerRadius\s*\(\s*100\s*\)/g.test(code)
);
```
# --seed--
## --before-user-code--
```html
D3 Dashboard
```
## --seed-contents--
```html
```
# --solutions--
```html
```