P,Q,R P, Q, R\,P,Q,R and S S\,S are points on the circumference of a circle with centre MMM.
Prove that the opposite angles PQR PQR\,PQR and PSR PSR\,PSR in the cyclic quadrilateral PQRS PQRS\,PQRS sum to 180∘180^\circ180∘.
Practise Eduqas GCSE Maths Proof of the Circle Theorems with exam-style questions for Foundation and Higher tier. 20 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 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.