Draw on this
ABCDEF ABCDEF\,ABCDEF is a hexagon.
Angle CDE=2×CDE = 2 \timesCDE=2× Angle BCD BCD\,BCD
Work out the size of angle CDECDECDE.
44 exam-style questions on AQA GCSE Maths Angles in Polygons. Each one has a worked solution and a mark scheme showing where the marks go.