P,Q,R P, Q, R\,P,Q,R and S S\,S are points on the circumference of a circle.
Angle QRS=115∘QRS = 115^\circQRS=115∘ Angle RSP=78∘RSP = 78^\circRSP=78∘
Find the size of angle PQRPQRPQR.
Give a reason for your answer.
Practise OCR GCSE Maths Circle Theorems with exam-style questions for Foundation and Higher tier. 72 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.