The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30o. If TU = 54m, how high is T above the horizontal ground?

A. 108m
B. 72m
C. 46.3m
D. 31.2m
E. 27m

Correct Answer: Option E

E. 27m

sin30 = x/54
x =54 x 1/2
= 27m