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March 31, 2015

March 31, 2015

Posted by **Norma** on Saturday, August 7, 2010 at 2:56am.

- Math -
**Henry**, Saturday, August 7, 2010 at 9:26pmTanA = 1.9/9 = 0.2111

A = 11.9 Deg.

Grade = h/L = Sin(11.9) = 0.206.

- Math -
**Henry**, Saturday, August 7, 2010 at 9:32pmGrade = Sin(11.9) = 0.206 = 20.6%

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