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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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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.

User Naquan
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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
User Ovidiu Pacurar
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