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
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Correct Answer: Option B
Explanation:
Sin 65o = \(\frac{x}{16}\)
x = 16x sin 65[sup][/sup]
= 16 x 0.9063
x = 14.5m
Sin 65o = \(\frac{x}{16}\)
x = 16x sin 65[sup][/sup]
= 16 x 0.9063
x = 14.5m