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I have a school assignment, and it requires me to list a few of the real world applications of Pythagoras Theorem. However, most of the ones I found are rather generic, and not special at all.

What are some of the real world applications of Pythagoras' Theorem?

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There's shadow reckoning, and figuring out how far away stars are... – J. M. Jul 24 '11 at 11:54
Architectural engineering, satellite positioning, physical triangulation, your personal path efficiency... – anon Jul 24 '11 at 12:06
Suppose you have a 13-ft ladder leaning against a wall, and its base is moving away from the wall at a rate of... – The Chaz 2.0 Jul 24 '11 at 12:46
say your building a garage and you want to stake out a rectangle. you might want to measure 3ft, 4ft down some string outline and hope you get 5ft across the diagonal. ive seen builders who dont know what a pythagoras is know at least one triple... – yoyo Jul 24 '11 at 13:47
Please list what you already have. – starblue Jul 24 '11 at 14:12

"How far does the second baseman have to throw the ball in order to get the runner out before he slides into home plate?" ...and other neat examples found at:

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