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Yoy1 Yoy1
  • 15-09-2015
  • Mathematics
Answered

What's the formula for R in C= 2•3.14r

Verified Answer :

Anonymous Anonymous
  • 15-09-2015

\(C=2\cdot3.14r\\\\C=6.28r\\\\6.28r=C\ \ \ \ |divide\ both\ sides\ by\ 6.28\\\\\huge\boxed{r=\dfrac{C}{6.28}}\)


\(C=2\pi r\\\\2\pi r=C\ \ \ \ |divide\ both\ sides\ by\ 2\pi\\\\\huge\boxed{r=\frac{C}{2\pi}}\)

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