The angle of depression of a point on the ground from the top of a building is 20.3

^{o}. If the foot of the building is 40m, calculate the height of the building, correct to one decimal place-
**A.**

37.5m -
**B.**

28.1m -
**C.**

27.8m -
**D.**

14.8m -
**E.**

13.9m

##### Correct Answer: Option D

##### Explanation

Tan 69.7 = 40/h

h =

40tan 69.7

=

402.703

h = 14.79 = 14.8