---
title: radius
framework: roomplan
role: symbol
role_heading: Instance Property
path: roomplan/capturedroom/surface/curve-swift.struct/radius
---

# radius

The radius of the curve.

## Declaration

```swift
var radius: Float { get }
```

## See Also

### Measuring a curve

- [startAngle](roomplan/capturedroom/surface/curve-swift.struct/startangle.md)
- [endAngle](roomplan/capturedroom/surface/curve-swift.struct/endangle.md)