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Arc= 2.pi.rAngle/360
14pi= 2.pi.18.Angle /360
Angle = 360.14.pi/2.18.pi
Angle = 140
Arc= 2.pi.rAngle/360
14pi= 2.pi.18.Angle /360
Angle = 360.14.pi/2.18.pi
Angle = 140
Measure of the given central angle of arc is 140°
Central angle of an arc
Given that:
Measure of arc = 14π
Radius of circle = 18 unit
Find:
Measure of the central angle of arc
Computation:
Length of arc = [θ/360][2πr]
14π = [θ/360][2(π)(18)]
14 = [θ/360][36]
θ = 140°
Measure of the central angle of arc = 140°
Find out more information about 'Angle of arc'.
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