Sector Areas and Arc Lengths

Hard
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Question 7
Hard63%

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.

A sector OAB with a right angle at O, and a semi-circle drawn with diameter OA.

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.

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Sector Areas and Arc Lengths Questions

  1. GCSE
  2. /Maths
  3. /Sector Areas and Arc Lengths