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April 18, 2015

April 18, 2015

Posted by **shelby** on Wednesday, March 4, 2009 at 10:32pm.

- geometry -
**drwls**, Wednesday, March 4, 2009 at 11:50pmThe diagonal forms a hypotenuse with a length sqrt[80^2 + 20^2] = 82.462

The acute angle formed at the corner is arctan 20/80 = 14.036 degrees. Where the diagonals cross, the acute angle is twice that, or 28.072 degrees. Round that to 28 degrees.

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