The diagram shows a rectangle, PQRSPQRSPQRS, and a semi-circle. QR QR\,QR is the diameter of the semi-circle. PQ=20 cmPQ = 20\text{ cm}PQ=20 cm and QR=14 cmQR = 14\text{ cm}QR=14 cm.
Calculate the percentage of the area of the rectangle that is shaded. Give your answer correct to 1 decimal place.
Practise OCR GCSE Maths Sector Areas and Arc Lengths with exam-style questions for Foundation and Higher tier. 30 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.
