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11-10-2017
Mathematics

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Sammy has a 10-foot ladder, which he needs to climb to reach the roof of his house. the roof is 12 feet above the ground.

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21-10-2017

The roof is higher than the ladder can reach 10^2-1.5^2=h^2 h=sqrt(100-2.25)=9.89 feet distance to the roof= 12-9.89

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