The base of the ladder is 7 feet from the building. The ladder is 1 foot longer than the height it reaches on the building. What is the length of the ladder?

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2016-04-19 21:45:25

By the Pythagorean theorem: [latex]x= sqrt{7^2+6^2}= sqrt{49+36}= sqrt{85} approx 9.22 ext{ft}[/latex]

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