# Interior Angles of a Quadrilateral

- Author:
- dlounds

- Topic:
- Angles

There are four overlapping quadrilaterals. Rotate two of them using the sliders. Drag one by selecting point B.

- Author:
- dlounds

- Topic:
- Angles

There are four overlapping quadrilaterals. Rotate two of them using the sliders. Drag one by selecting point B.