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The angle of depression of a point on the ground from the top of a building is 2...


Question

The angle of depression of a point on the ground from the top of a building is 20.3o. If the foot of the building is 40m, calculate the height of the building, correct to one decimal place

Options

A) 37.5m

B) 28.1m

C) 27.8m

D) 14.8m

E) 13.9m

The correct answer is D.

Explanation:

Tan 69.7 = 40/h
h =
40/tan 69.7
=
40/2.703
h = 14.79 = 14.8

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