The diagram shows a regular nonagon, ABCDEFGHIABCDEFGHIABCDEFGHI, and an equilateral triangle, IAJIAJIAJ.
The lines HI HI\,HI and JI JI\,JI are both sides of another regular polygon, PPP.
How many sides does polygon P P\,P have?
You must show how you got your answer.
83 exam-style questions on Eduqas GCSE Maths Angles in Polygons. Each one has a worked solution and a mark scheme showing where the marks go.