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Ben Goodrich · Answer 1 · 2019-03-23T02:33:32+0000

$\boxed {\boxed{\text{Circumference =} \pi D}}$

Given circumference, find the diameter,
66π = πD
D = 66π ÷ π
D = 66 units

Find Radius:
Radius = Diameter ÷ 2
Radius = 66 ÷ 2 = 33

Answer: 33

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