Shacoriarussell Shacoriarussell

14-02-2017
Mathematics

contestada

A ladder is placed 4 feet from the base of a building the ladder reach a height of 12 what is the length of the ladder?Round your answer to the nearest tenth

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rhycer12 rhycer12

14-02-2017

to work this out , you use pythagoras theorem . a^2 + b^2 = c^2 , so 4^2 + 12^2 = c^2 , 16 + 144 = c^2 , c^2 = 160 , so c = √160 = 12.64

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