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WAEC Mathematics 2014 Paper
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© africaexams.com
Question : 27
Total: 49
A man's eye level is 1.7m above the horizontal ground and 13m from a vertical pole. If the pole is 8.3m high, calculate, correct to the nearest degree, the angle of elevation of the top of the pole from his eyes.
33
o
32
o
27
o
26
o
Validate
Solution:
tan
θ
=
opp
adj
=
6.6
13
tan
θ
=
0.5077
θ
= tan
-1
0.5077
θ
=
27
o
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