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notmeta:
how do u solve for the radios of a circle again '-'
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Phantomdex:
r = C/2π
notmeta:
ok thanks :)
Phantomdex:
As another note, to have better explanation. The radius of a circle from circumference: if you know the circumference c , the radius is r = c / (2 * π) . The radius of a circle from diameter: if you know the diameter d , the radius is r = d / 2 .
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