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
A
37.5m
B
28.1m
C
27.8m
D
14.8m
E
13.9m
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Tan 69.7 = 40/h
h = 40/tan 69.7 = 40/2.703 h = 14.79 = 14.8
Source: Myschool Past Questions Archive (Record #22415)