A sector of a circle has radius 6 cm and central angle 0.5radiant. find its arc length and area?

S = arc length ... T = the central angle in radians ... r = radius s = Tr 1. S = (1/3) X 30 = 10cm 2. 2r = Tr T = 2 radians <<< now convert to degrees T = 2 X (180/pi) <<< use a calculator if you need a decimal approximation 3.

T = 15/360 = 24 degrees ... change to radians 24 X (pi/180) = pi/15 rad. S = = (pi/15) X 20 = 4pi/3 <<< answer.

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