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Answer:
60π ≈ 188.4955592 cm
Step-by-step explanation:
Circumference of a circle is given by 2 ∙ π ∙ r
Therefore, you have to plug in the given value of 30 into radius (r):
2 ∙ π ∙ 30
And multiply:
60π ≈ 188.4955592 cm
Hope this helps!