1. The circumference of a circle is 5811 cm. Find the diameter (D), the radius (r), and the length of an arc (a) with measure of 140°
A. D: 116 cm:r: 29 cm; a: 160 cm
B. D: 58 cm; r: 29 cm; a: 22.6 cm
C. D: 29 cm; r: 58 cm: a: 11.37 cm
D. D: 58 cm; r: 116 cm: q: 11.37 cm

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