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13-01-2018
Mathematics

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The base of a 15-ft ladder is 5 ft away from a wall. how high from the floor is the top of the ladder?

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13-01-2018

leg =5
hypotenuse = 15
a²= c²-b²
a=√225-25
a=√200 = √2*2*5*2*5 = 10√2=14.14 feet

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