Singapore Skies: An Angle of Depression Study
Singapore Skies: An Angle of Depression Study
Secondary 3
The angle of depression of Daryl from the top of the Singapore flag, \(24\) m away, is \(8.7{}^\circ\).
- Find the height of the flag pole.
- When the flag is lowered by \(1.2\) m, what is the new angle of elevation of the top of the flag from Daryl?
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Answer:(i) \(3.67\text{ m}\text{ (3 s.f.)}\) (ii) \(5.9^\circ\text{ (1 d.p.)}\)
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