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WAEC - Mathematics (1990 - No. 39)

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?
90o
63o
60o
26o
0o

Selitys

tan θ - 7/3.5 = 2
tan θ= 2.0000
θ = 63o

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