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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 d2 b C = pie rd c C = pie d d C …

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 d2 b C = pie rd c C = pie d d C …
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1 vote
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 d2
b C = pie rd
c C = pie d
d C = 2 pie d

asked
User Bniedermeyer
by
8.0k points

2 Answers

1 vote

Answer:

a. C = 2πr

c. C= πd

both are correct

answered
User Oleh Zayats
by
8.1k points
4 votes

Answer:

C

Explanation:

C=2pier or pied

answered
User Bernardo Meurer
by
7.9k points
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