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The angle of elevation of the top of a tree from a point on ...
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The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°.

Find the height of the tree correct to the nearest whole number.

A. 148m

B. 382m

C. 282m

D. 248m

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judziy
Asked by judziyrep:2.1K
University of Benin Nigeria
13 May 2020

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peter
Peter answeredrep:1.9K
University of Lagos Nigeria
12 October 2021
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Height of the tree = line BC

from, tanθ = opp/adj

tanθ = BC/AB

θ = 78

AB = 60

tan(78) = BC/60

BC = 60 tan(78)

BC = 282

Ans C

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