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25-01-2018
Mathematics

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A ladder 25 feet long is placed so that it’s top reaches 24 feet up the side of the house. How far from the house is the bottom of the ladder

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25-01-2018

Use Pythagoras theorem

25^2 = 24^2 + x^2

x^2 = 25^2 - 24^2

x^2 = 49
x = 7 feet Answer

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