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Verified Answer :

SJ2006

All the options are incorrect, if you're talking about circle! which is most common
C = 2πr..... It is the relation for Circle's if you're considering something else, then, please mention!

Answer:

The formula that relates circumference and radius is \(C=2\pi r\).

Step-by-step explanation:

The circumference of a circle is calculated by the formula

\(C=2\pi r\)

Where,

C is circumference of the circle.

r is radius of the circle.

π is 22/7 or 3.14.

In the given options π is not missing. So, all the given options are incorrect.

Therefore the formula that relates circumference and radius is \(C=2\pi r\).

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