A 14-foot ladder is set up 4 feet from the base of a building. How far up the building does the ladder reach? Round
your answer to the nearest tenth of a foot.
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The 4 feet could be either a or b; it doesn't really matter. Plug it into (a^2)+(b^2)=(c^2), and you would get. (4^2)+(b^2)=(14^2); simplified, it is (16)+(b^2)=(196). Subtract 16 from 196 to get 180, and you see that (b^2) is equal to 180.
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