Aptitude:: Height and Distance

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The angle of elevation of a ladder leaning against a wall is 60ο and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:

A. 2.3 m B. 4.6 m
C. 7.8 m D. 9.2 m

Answer: Option D



Let AB be the wall and BC be the ladder.

Then, ACB = 60º and AC = 4.6 m.

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