P P\,P and R R\,R are points on a circle, centre OOO. PQ PQ\,PQ and RQ RQ\,RQ are tangents to the circle.

Prove that triangle OPQ OPQ\,OPQ is congruent to triangle ORQORQORQ.
Practise AQA GCSE Maths Congruent Triangles with exam-style questions for Foundation and Higher tier. 28 questions, matched to the AQA GCSE Maths (8300) 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.