The diagram shows a decorative tile in the shape of a sector OAB OAB\,OAB of a circle with centre OOO. OA OA\,OA is the diameter of a semi-circle. OA=12OA = 12OA=12 cm.
Find the area of the shaded region (the area of the sector minus the area of the semi-circle). Give your answer in terms of π\piπ.
Practise Edexcel GCSE Maths Sector Areas and Arc Lengths with exam-style questions for Foundation and Higher tier. 30 questions, matched to the Edexcel GCSE Maths (1MA1) 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.
