emmutza emmutza

08-05-2021
Mathematics

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A 11-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 9 feet from the base of the building. How high up the wall does the ladder reach?

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caitlinmak10 caitlinmak10

08-05-2021

It is 11^2-9^2 which equals 40 then you do root 40 which is 2root10

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