Learn more about how angles in an 𝒏-sided polygon add to 180° × (𝒏 – 2) with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Interior angles of polygons To find the sum of interior angles in a polygon divide the polygon into triangles. The sum of interior angles in a triangle is 180°.

The formula for finding the sum of the interior angles in any polygon is: Sum of interior angles = two less than the number of sides x 180° In algebra this is Sum of interior angles = 180 (n ...

In this Maths article, learn how to use a formula to find out the internal angles within a polygon.

Learn how to apply formulae for the interior and exterior angles of a polygon and how to create tiling patterns and tessellations with this GCSE guide.

Learn how to measure interior and exterior angles in polygons with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

In this Maths article, learn how to use a formula to find out the internal angles within a polygon.

Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Eduqas study guide.