Function ellipseP

ellipseP(a: number, b: number): number
Calculates the perimeter of an ellipse.
Parameters
- a: number
  The major axis length
- b: number
  The minor axis length
Returns number
Example
```
// Returns 34.62895597904838
const perimeter = Chalkboard.geom.ellipseP(5, 6);
```
- Defined in Chalkboard.geom.ts:182