you can use 2 formulas...
2 x pi x radius
or
pi x diameter
- dont forget that pi is always 3.14 unlsess said otherwise.
:) hope this has helped.......
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Circumference of a circle = 2*pi*radius or pi*diameter
Circumference of a circle = 2*pi*radius or pi*diameter.
Divide the circumference by pi (~3.14) to get the diameter.
circumference of a circle = 2*pi*radius or pi*diameter