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September 21, 2014

September 21, 2014

Posted by **:)** on Tuesday, November 8, 2011 at 10:35am.

- geometry -
**Steve**, Tuesday, November 8, 2011 at 3:10pm1:4 = 30:A

or,

1/4 = 30/A

or

4 = A/30

A = 120

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