Q. 65.0( 2 Votes )

A ladder 25 m lon

Answer :

Let BC be the ladder placed against the wall AB. The distance of the ladder from the wall is the base of the right angled triangle as building stands vertically straight to the ground.

By Pythagoras theorem

(BC)2 = (AB)2 + (AC)2

(25)2 = (24)2 + (x)2

x = 7

the distance of ladder from the wall is 7m

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