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September 18, 2014

September 18, 2014

Posted by **carol** on Sunday, February 24, 2008 at 10:44pm.

- math -
**Emily**, Sunday, February 24, 2008 at 11:11pmUse the Pythagorean Theorem.

a^2 + b^2 = c^2

4^2 + 20^2 = c^2

16 + 400 = c^2

416 = c^2

c = sqrt 416

c = 20.4

If you draw a picture, you'll end up with a right triangle, and the two shorter sides are a and b, and the hypotenuse (long side) is c.

Do you get it?

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