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January 29, 2015

January 29, 2015

Posted by **Jane** on Tuesday, April 2, 2013 at 12:05pm.

Please explain to me how to solve. Thanks.

- math -
**Ms. Sue**, Tuesday, April 2, 2013 at 12:08pmUse the Pythagorean Theorem.

a^2 + b^2 = c^2

20^2 + 40^2 = c^2

400 + 1600 = c^2

2000 = c^2

44.7 = c

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