Interior and Exterior Angles of Polygons

Here we have a collection of videos to help GCSE Maths students learn how to find the interior and exterior angles of polygons.

 

 

Finding the interior angles of a polygon

 

 

Geo ScreenCast 7: Polygon Angles
Using the sum of a polygon's interior angles to solve for a missing angle

 

 

Geo ScreenCast 8: Regular Polygon Angles
Finding 1 interior angle of a regular polygon

 

 

Geo ScreenCast 9: Polygon Exterior Angles
Finding an exterior angle of a regular polygon

 

 

 

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