---
id: 5d8a4cfbe6b6180ed9a1ca32
title: Step 85
challengeType: 0
dashedName: step-85
---
# --description--
Create a new `const` named `pieArc` and set it equal to `d3.arc()`. This will be used to create the angles for the lines of the pie chart using the D3 arc generator.
# --hints--
test-text
```js
assert(/const\s*pieArc\s*=\s*d3\s*\.\s*arc\s*\(\s*\)/g.test(code));
```
# --seed--
## --before-user-code--
```html
D3 Dashboard
```
## --seed-contents--
```html
```
# --solutions--
```html
```