Question 442545


The equation that relates a circle's radius to its circumference is: {{{C=2(pi)r}}}.where {{{(pi) is constant equal to {{{3.14}}} and {{{r}}} is radius. The diameter of circles {{{d}}} is equal {{{2r}}}.

if you are given {{{C}}}, you can find {{{r}}} this way:

{{{C/2(pi)=r}}}