Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.
Math/Trig - helper, Sunday, January 16, 2011 at 5:15pm
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 = ?