Four angles are formed around a central point. The sizes of three of these angles are 147∘147^\circ147∘, 91∘91^\circ91∘, and 52∘52^\circ52∘. The size of the remaining angle is yyy.
Work out the value of yyy.
Give a reason for your answer.
Practise Edexcel GCSE Maths Angles with exam-style questions for Foundation and Higher tier. 31 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.