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Question

A ladder is placed along a wall such that its upper end is resting against a vertical wall. The foot of the ladder is 2.4 m from the wall and the ladder is making an angle of 68 with the ground. Find the height, upto which the ladder reaches.

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Solution


Let the height upto which the ladder reaches be x m.

Given that the angle of elevation 68o

tan 68o =h2.4

2.4750 = h2.4​​​​​​​

h = 2.4750​​​​​​​ x 5 = 5.94 m

So, the ladder reaches upto height of 5.94 m.


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