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.
Practise OCR GCSE Maths Angles in Polygons with exam-style questions for Foundation and Higher tier. 48 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.