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February 1, 2015

February 1, 2015

Posted by **Nick** on Monday, May 2, 2011 at 9:10pm.

- Math -
**Ms. Sue**, Monday, May 2, 2011 at 9:18pmThis is a job for Pythagoras.

a^2 + b^2 = c^2

5^2 + b^2 = 13^2

25 + b^2 = 169

b^2 = 169 - 25

b^2 = 144

b = 12

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