SOLUTION: What is the formula for finding the radius of a circle when you know the circumference?
Algebra.Com
Question 3842: What is the formula for finding the radius of a circle when you know the circumference?
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
to do anything algebraically with square rooting a fraction, the numerator and denominator have to be good numbers...
is either +4/5 or -4/5
is + or -. You can leave this alone or you can "simplify" the square root...called a "surd" - make sure you spell this and more importantly, pronounce this, correctly.
is the same thing as which is the same thing as , which is +-2.
Hope this helps
jon
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