IP2U13 13.4 PN1 Q8
IP2U13 13.4 PN1 Q8
IP 2
The diagram shows a sector of a circle with centre \(O\) and radius \(8\) cm.
\(P\) is a point on \(OA\) such that \(4OP = 3OA\) and \(Q\) is a point on \(OB\) such that \(5OQ = 2OB\).
Given that \(\angle AOB = 0.8\) radians, calculate
- the length of \(PQ\),
- the arc length \(AB\),
- the area of the shaded region.
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Answer:(i) 4.41 cm, (ii) 6.4 cm, (iii) 18.7 cm²
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