A nonagon has nine sides and a decagon has ten sides. To understand polygons, a good understanding of other angle rules, including triangles and quadrilaterals can be helpful. The word for the name of ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon into ...

This workshop takes a detailed look at angles in polygons, examining this topic’s place on the national curriculum and how it is assessed at GCSE. We discuss a range of methods and various pedagogical ...

The angles created by overlapping regular polygons can be easy or difficult to calculate, depending on what information you are given. So, taking a creative approach to important mathematical ...

In the KS3 maths curriculum, understanding the angles of parallel lines is a crucial component. It lays the foundation for higher-level geometry and various practical applications. This topic is ...