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January 31, 2015

January 31, 2015

Posted by **Edith** on Thursday, March 1, 2012 at 11:00pm.

- geometry -
**drwls**, Thursday, March 1, 2012 at 11:05pmSurface area is proportional to Diameter^2, so the area will be (1/2)^2 = 1/4 of the original area, which is 8 in^2.

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