Letting C denote the circumference of a circle, a 1 angle is, by definition, an angle...

 

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Letting C denote the circumference of a circle, a 1 angle is, by definition, an angle that subtends an are of length such that CI = 360. Apply the definition of degree and determine the radius of the circle shown knowing that the lengths of the arc subtended by the 4 angle in the figure is 1.84 mm. S 4 Letting C denote the circumference of a circle, a 1 angle is, by definition, an angle that subtends an are of length such that CI = 360. Apply the definition of degree and determine the radius of the circle shown knowing that the lengths of the arc subtended by the 4 angle in the figure is 1.84 mm. S 4