SOLUTION: I was just wondering how you find the radius midpoint of a circle? THANKYOU!!

Algebra ->  Circles -> SOLUTION: I was just wondering how you find the radius midpoint of a circle? THANKYOU!!      Log On


   

Question 800097: I was just wondering how you find the radius midpoint of a circle?
THANKYOU!!
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
The standard form for a circle is
(x-a)^2 + (y-b)^2 = r^2 where
(a, b) is the center of the circle and r is the radius
for example
x^2 + (y-3)^2 = 5 then
(a, b) is (0, 3) and radius is square root of 5