Mathematics

The angle of elevation of X from Y is 30o. If XY = 40m, how…

The angle of elevation of X from Y is 30o. If XY = 40m, how high is X above the level of Y?
  • A.
    10m
  • B.
    20m
  • C.
    20√3m
  • D.
    40m
  • E.
    50m
Correct Answer: Option B
Explanation

XZ = 40 x sin30o
= 20m