Posted by CJ on Sunday, January 16, 2011 at 4:29pm.
Area K = 1/2 r^2 * angle in rads
Convert deg to rads
55 deg * pi/180 = 55pi/180 = 11pi/36 rads
11pi/36 rads = .96 rads
K = 1/2 (5.7)^2 * .96
K = ?
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