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July 30, 2014

July 30, 2014

Posted by **Enoch** on Tuesday, January 11, 2011 at 9:21pm.

- geometry -
**helper**, Tuesday, January 11, 2011 at 10:01pmThe angle bet. the diag. and the long

side = 30 deg.

The diagonal forms two 30-60-90 triangles

L = sin 60 = op/hy = a/12

L = .87 = a/12

L = a = 10.44

W = sin 30 = b/hy = b/12

W = .50 = b/12

W = b = 6

P = 2*10.4 + 2*6 = 32.8in.

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