Points 4 m and 9 m from a tower's foot see its top at complementary elevations. Tower height?
A36 m
B13 m
C6.5 m
D6 m
Answer & Solution
Correct answer: D. 6 m
With complementary angles, h/4 times h/9 equals 1, so h squared is 36 and h is 6 m.
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