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What is the circumference? Use 3.14 for π. Round to the nearest tenth if necessary.
radius: 9 mm
A. 12.1 mm B. 14.1 mm C. 28.3 mm D. 56.5 mm

Respuesta :

Answer:

I think it's A. 12.1 mm

Answer: D) 56.5 mm

Work Shown:

C = 2*pi*r

C = 2*3.14*9

C = 56.52

C = 56.5

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