A hexagon ABCDEF ABCDEF\,ABCDEF has interior angles A=115∘A = 115^\circA=115∘, B=125∘B = 125^\circB=125∘, E=130∘E = 130^\circE=130∘, and F=140∘F = 140^\circF=140∘.
Angle BCD=3×BCD = 3 \timesBCD=3× Angle CDE CDE\,CDE
Work out the size of angle BCDBCDBCD.
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.