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A 10-ft ladder leans against the side of a house. The bottom of the latter is 5 ft from the side of the house. How high is the top of the ladder from the ground. If necessary, round your answer to the nearest tenth.

 Feb 26, 2021
 #1
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Right triangle    Pythag theorem

hypotenuse = 10

leg = 5       other leg = H

 

10 ^2 = 5^2 + H^2

75 = H^2                                H = sqrt (75) =  5 sqrt 3

 Feb 26, 2021

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