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A ladder 6m long leans against a vertical wall ... - WAEC Mathematics 2003 Question

A ladder, 6m long, leans against a vertical wall at an angle 53o to the horizontal. How high up the wall does the ladder reach?
A
3.611m
B
4.521m
C
4.792m
D
7.962m
correct option: c

Sin 53 = (\frac {h}{6} )
h = 6 sin 53 = 6 x 0.7986
= 4.792m

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