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The trick to finding Interior and Exterior angles easily - GCSE Maths revision video

Interior and exterior angles made easy, the trick to visualising and understanding angles and polygons. Our full range of GCSE videos - http://www.mathslearn.co.uk/gcsemaths.htmlBecome a maths genius, get the basics correctgcse mathematics - this video runs through the essential methods for finding the exterior and interior angles in a regular polygon. It uses a regular pentagon and a regular hexagon as its examples. These skills are essential in securing a grade B at GCSE mathematics. It discusses how the exterior angles add up to 360 degrees. It discusses how a regular polygon can be split into (n-2) triangles.
Length: 05:15

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