A right-angled triangle PQR PQR\,PQR is shown. The right angle is at vertex QQQ. Side PQ PQ\,PQ is vertical and labeled 12 cm. Side QR QR\,QR is horizontal. Hypotenuse PR PR\,PR is labeled 20 cm.
Calculate the size of angle PRQPRQPRQ.
Practise OCR GCSE Maths SOHCAHTOA (Trigonometry) with exam-style questions for Foundation and Higher tier. 43 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.