The angle of depression of a point Q from a vertical towe...
The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P of the tower is on the same horizontal level as Q, find, correct to 2 decimal places, |PQ|.
35.75m
25.00m
22.98m
19.28
Correct answer is A
tan40°=30|PQ|
|PQ|=30tan40°=300.839
= 35.75m