The size of each exterior angle in a regular polygon is 20∘20^\circ20∘. Work out how many sides the polygon has.
Practise Edexcel IGCSE Maths Angles in Polygons with exam-style questions for IGCSE Maths. 3 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.