# SOLUTION: In the unit circle, an arc 4.1 units long subtends a central angle of how many radians? Of how many degrees, to the nearest degree?

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 Click here to see ALL problems on Angles Question 441331: In the unit circle, an arc 4.1 units long subtends a central angle of how many radians? Of how many degrees, to the nearest degree?Answer by stanbon(57282)   (Show Source): You can put this solution on YOUR website!In the unit circle, an arc 4.1 units long subtends a central angle of how many radians? Of how many degrees, to the nearest degree? ------ arc length = (theta)r where theta is measured in radians. ------------------- In a unit circle r = 1. ======= 4.1 = (theta)*1 --- theta = 4.1 radians --- theta = 4.1(180/pi) = 234.91 degrees --------------------------- Cheers, Stan H.