Mathematics
WAEC 1990
If the shadow of a pole 7m high is 1/2 its length what is the angle of elevation of the sun, correct to the nearest degree?
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A.
90o
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B.
63o
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C.
60o
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D.
26o
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E.
0o
Correct Answer: Option B
Explanation
tan θ - 7/3.5 = 2
tan θ= 2.0000
θ = 63
o
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