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January 27, 2015

January 27, 2015

Posted by **nicole** on Tuesday, October 11, 2011 at 6:06am.

- calculus -
**Damon**, Tuesday, October 11, 2011 at 6:09amtan 30 = 1/sqrt 3

so

1/sqrt 3 = a/9

a = 9/sqrt 3 = 3 sqrt 3

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