# GeometryExtensionMethods.RadiusAt examples

Examples for [RadiusAt](https://developer.rhino3d.com/api/gh2/type/grasshopper2.extensions.geometryextensionmethods/radiusat.md) in Grasshopper2.Extensions.GeometryExtensionMethods.

## C#

```cs
using Grasshopper2.Extensions;

// As an extension method
double result = curve.RadiusAt(t);

// As a static method
result = GeometryExtensionMethods.RadiusAt(curve, t);
```

## Python

```python
import clr
clr.AddReference('Grasshopper2')
import Grasshopper2.Extensions
clr.ImportExtensions(Grasshopper2.Extensions)

# As an extension method
result = curve.RadiusAt(t)

# As a static method
result = Grasshopper2.Extensions.GeometryExtensionMethods.RadiusAt(curve, t)
```