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a ladder 7.5m long is placed against a wall that is 5.2m high.How far is the bottom of the ladder from the base of the wall

 Jan 12, 2016
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a ladder 7.5m long is placed against a wall that is 5.2m high.How far is the bottom of the ladder from the base of the wall.

 

The Ladder=Hypotenuse. Use Pythagoras's Theorem:

7.5^2=5.2^2 + B^2

B^2=29.21 take the sqrt of both sides

B=5.4 feet-the distance from the wall to the base of the Ladder.

 Jan 12, 2016

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