## RWA Exterior Angles Theorem

### Topic

Taking a walk with the Satellite view in Google maps

### Vocabulary

- Exterior Angles

### Student Exploration

#### “So...does our formula apply only to convex polygons? Or can we fix things up so that it applies to concave polygons also?”

To investigate that, let's take a walk

Read more at http://www.sophia.org/exterior-angles-of-a-concave-polygon-tutorial

### Extension Investigation

- Using Google maps (satellite view) and The Geometers sketchpad, students can reproduce the activity using their own school.
- Google maps https://maps.google.com/
- The Geometers sketchpad http://www.dynamicgeometry.com/

#### Layering (optional)

Exterior Angles made simple

Sum of the Exterior Angles Demo using geometers sketchpad