The Relationship Between Circumference & Area Quick Check

5 of 55 of 5 Items

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

C=π2r
upper C equals 2 r

C=π2d
upper C equals 2 d

C=πr
upper C equals r

C=πr2
upper C equals r squared

1 answer

C=π2r
upper C equals 2 r

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