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A roofer's 30 FOOT ladder is against the side of a house. It is 8 YARDS from the ground to the top of the house. How far away from the house must he place the foot of the ladder in order to have the top of the ladder meet the roof of the house?

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8 yards = 24 feet

24^2 + b^2 = 30^2

576 + b^2 = 900

b^2 = 324

b = 18 feet

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