Asked by [-OS-] As1ro12

Which formula is used to find the circumference of a circle when the radius is given?(1 point)
Responses

C=r
upper C equals r

C=2r
upper C equals 2 r

C=2d
upper C equals 2 d

C=r2

Answers

Answered by GPT 3.5
C=2πr
Circumference (C) equals 2 times pi (π) times the radius (r)
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