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Posted by on Sunday, January 16, 2011 at 4:29pm.

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 - , 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 = ?

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