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If r is the radius of a circle and d is its diameter, which of the following is an equivalent formula for the circumference C = 2 pie r? A. C= pie d B. C= 2 pie d C. C=2 pie d^2…

If r is the radius of a circle and d is its diameter, which of the following is an equivalent formula for the circumference C = 2 pie r? A. C= pie d B. C= 2 pie d C. C=2 pie d^2…
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If r is the radius of a circle and d is its diameter, which of the following is an

equivalent formula for the circumference C = 2 pie r?

A. C= pie d
B. C= 2 pie d
C. C=2 pie d^2
D. C = 2 pie rd

asked
User Vtuhtan
by
7.8k points

1 Answer

1 vote

Answer:

A

Explanation:

because r is 1/2 of d so you would have 1 d instead of 2 r

answered
User Salomanuel
by
8.2k points
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