2025 NASS PRELIMS P1 Q22

2025 NASS PRELIMS P1 Q22

Secondary 4
4 marks

Florian observes the peak \(T\) of a hill from points \(P\) and \(Q\) on horizontal ground. The angles of elevation from \(P\) and \(Q\) are \(20.8^\circ\) and \(21.7^\circ\), respectively. \(Q\) is \(20\text{ m}\) closer to the hill than \(P\).

Find the height of the hill.[4]

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Answer:\(167\text{ m}\)

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