Math

julia needs to purchase a ladder that just reaches the top of a 16 foot building. if the bottom of the ladder will be placed 12 feet from the base of the building how long should julia's ladder be?

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asked by Will
  1. 20 feet. Consider the Pythagorean theorem and right triangles with 3:4:5 side length ratios

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    posted by drwls
  2. you do a2(squared) plus b2(squared) equals c2(squared)
    a squared plus b squared equals c squared.

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