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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 30o. If TU = 54m, how high is T above the horizontal ground?
  • A. 108m
  • B. 72m
  • C. 46.3m
  • D. 31.2m
  • E. 27m
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Correct Answer: Option E
Explanation
sin30 = x/54
x =54 x 1/2
= 27m
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