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Question

The angle of elevation of the top of a tower from a point on the ground, which is 30m away from the foot of the tower is 30. Find the height of the tower.


A

103

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B

203

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C

303

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D

20m

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Solution

The correct option is A

103


Angle of elevation=θ=30
tanθ=PerpendicularBase
tanθ=h30
tan30=13
h30=13
h=103m.


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