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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?
90
o
63
o
60
o
26
o
0
o
Paliwanag
tan θ - 7/3.5 = 2
tan θ= 2.0000
θ = 63
o
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