A ladder 16m long leans against an electric pole. If the ...
A ladder 16m long leans against an electric pole. If the ladder makes an angle of 65o with the ground, how far up the electric pole does its top reach
6.8m
14.5m
17.7m
34.3m
Correct answer is B
Sin 65o = x16
x = 16x sin 65
= 16 x 0.9063
x = 14.5m
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