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Question

A pole 7(31)m high is fixed on the top of a tower. The angle of elevation of the top of the pole observed from a point A on the ground is 60° and the angle of depression of the point A from the top of the tower is 45°. The height of the tower is

एक मीनार के शीर्ष पर 7(31)m ऊँचाई वाला एक खंभा स्थित है। धरातल पर स्थित एक बिन्दु A से खम्भे के शीर्ष का उन्नयन कोण 60° है तथा मीनार के शीर्ष से बिन्दु A का अवनमन कोण 45° है। तब मीनार की ऊँचाई है

A
14 m
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B
7 m
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C
143m
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D
73m
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Solution

The correct option is B 7 m
Solution

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