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Vesnalui [34]
4 years ago
12

If r is the radius of the circle and d is it diameter ,which of the following is an equivalent formula for the circumference c=2

pir
Mathematics
2 answers:
laiz [17]4 years ago
8 0

Answer:

PI X D

Step-by-step explanation:

Have a nice day :)

Butoxors [25]4 years ago
7 0

to calculate circumference you can either use

 2 x PI x r

 or

pi x d

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