The circumference of a circle is $8 π$ $8pi$ cm. What is the diameter of the circle?

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Answer 1 · 2015-12-28T21:39:07

$8 c m$ $8cm$

The for the circumference of a circle is $C = 2 π r = π d$ $C=2pir=pid$ , where the diameter $d = 2 r$ $d=2r$ .

So in this case, by comparing terms we see that, $d = 8 c m$ $d=8cm$ .

The circumference of a circle is 8π8pi cm. What is the diameter of the circle?