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Angles in Polygons

Author: Leif Park Jordan

Sum of Interior Angles

This video presents the formula for the sum of the interior angles of a polygon.

Source: RobertOB on Guaranteach

Sum of Exterior Angles

This video presents the fact that the sum of the exterior angles of any polygon is 360 degrees.

Source: RobertOB on Guaranteach

Finding Unknown Angles in Polygons

This video explains how to find an unknown angle using the formula for the sum of the interior angles of a polygon.

Source: RobertOB on Guaranteach