What is the formula for the circumference of a circle. (select all that apply)

A C = 𝞹d

B C = 𝞹r

C C = 𝞹r squared

D C = 2𝞹r

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1

What is the circumference If the diameter is 2.2 cm? Use pi=3.14. Round to the hundredths place.

A 6.90 cm

B 6.90 cm squared

C 6.91 cm squared

D 6.91 cm

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1

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1

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1

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1

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