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September 23, 2014

September 23, 2014

Posted by **tia** on Friday, October 15, 2010 at 2:38pm.

- geometry -
**Ms. Sue**, Friday, October 15, 2010 at 2:46pmPythagorean theorem:

a^2 + b^2 = c^2

9^2 + 19^2 = c^2

81 + 361 = c^2

442 = c^2

21.0238 = c

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