Q. 24.4( 12 Votes )

The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 9.5 m away from the wall. Find the length of the ladder.

Answer :


Let the length of the ladder=l (m)


In ∆ABC,


cos60° =


=


l =9.5×2 19 m


Therefore length of Ladder is 19 m.


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