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From the top of a 7m high building, the angle of elevation of the top of a cable tower is 60º and the angle

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asked Feb 6, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 435 ● 1332

From the top of a 7m high building, the angle of elevation of the top of a cable tower is 60º and the angle of depression of its foot is 45º. Determine the height of the tower.

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answered Feb 6, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 24
 
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Let PQ be the building of height 7 metres and AB be the cable tower. Now it is given that the angle of elevation of the top A of the tower observed from the top P of building is 60º and the angle of depression of the base B of the tower observed from P is 45º (Fig.11.36).

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