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Horizontal Level and Line of Sight

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Question

The horizontal distance between two towers is 140 m. The angle of elevation of the top of the first tower when seen from the top of the second tower is 30^o. If the height of the second tower is 60 m then, the height of the first tower is

A

142

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B

135 m

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C

139.5 m

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D

140.83 m

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Solution

The correct option is D
140.83 m

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