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January 25, 2015

January 25, 2015

Posted by **jr** on Saturday, June 19, 2010 at 3:28pm.

Hint: Pythagorean Theorem

- math -
**Ms. Sue**, Saturday, June 19, 2010 at 3:34pma^2 + b^2 = c^2

a^2 + a ^2 = 8^2

2a^2 = 64

a^2 = 64/2

a^2 = 32

a = 5.6569

- math -
**robert byrd**, Monday, June 21, 2010 at 3:56pmFind the circumference of a circle with a radius of 2.1cm.(Use 3.14 for pi.)

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