Secondary Catalogue

Angles in a Polygon

Angles in Polygons

The angles of a triangle add up to equal 180 degrees. In this video, students are taught how to find the angles in a polygon by splitting the polygon into triangles. This creates the formula for finding angles in a polygon; (n-2) x 180 degrees.

Rating: E
Production Year: 2013
Duration: 5 min
Series: Angles in Polygons
Printable Resources: Yes

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