IB Math HL Trigonometry Test 2 2013 P2 Q2

IB Math HL Trigonometry Test 2 2013 P2 Q2

IB Year 6 | Grade 12
6 marks

Two circles with centres \(P\) and \(Q\) have radii \(5\text{ cm}\) and \(6\text{ cm}\), respectively. Their common chord is \(RS\), and \(PQ=7\text{ cm}\).

Find the area of the shaded region.[6]

Solution:

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Answer:\(23.4\text{ cm}^2\) (3 s.f.).

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