# Tangram: Angles

- Author:
- Simona Riva

## Angle chasing!

All the triangular pieces of the Tangram are

*isosceles right triangles*. Consider the arrangement displayed in the app below, and use it to find the measure of all the angles of the Tangram's pieces, then select the angles in the app to check your calculations. (Right angles are already displayed as such, so they are not selectable.)