The angle of elevation of a point T on a tower from a point U...
MATHEMATICS
WAEC 1997
The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30°. If TU = 54m, how high is T above the horizontal ground?
- A. 108m
- B. 72m
- C. 46.3m
- D. 27m
Correct Answer: D. 27m
Explanation
sin30 = x/54 x =54 x 1/2 = 27m
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