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A 15-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?

User Umit
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1 Answer

17 votes
17 votes

Check the picture below.

A 15-foot ladder is placed against a vertical wall of a​ building, with the bottom-example-1
User Gregor Slavec
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