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.

Hexagon (six sides): 60 degrees. Octagon (eight sides): 67 1/2 degrees. Careful laying out of the angles is required, of course. The tools needed are a protractor and a sliding T bevel.

From four-dimensional hexagons to the mind-bending amplituhedron, geometrical shapes are wilder than we learn at school - and ...

Basalt columns and insect eyes also form hexagonal patterns. But what makes hexagons so special? Well, as it turns out, it really is all about math. A hexagon is the shape that best fills a plane with ...