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From a point on the qround, the angles of elevation of the bottom and the top of a transmission

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asked Feb 6, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 382 ● 1022

From a point on the qround, the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20 m high building are 45º and 60º, respectively. Find the height of the tower.

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answered Feb 6, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
 
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Let AB be a building of height 20 m and BC be the transmission tower of height x m and D be any point on the ground (Fig. 11.34).

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