Question

What is the equation of the circle below?
http://tinypic.com/r/b4us0o/5

Answer 1

Equation of circle:

(x-h)^2 + (y-k)^2 = r^2,

where (h,k) is center of circle and r is radius of circle

it looks like 0,0 is center of the circle, and radius is 5 units.

so equation:

(x-0)^2 + (y-0)^2 = 5^2

@glitterythings

Answer 2

thanks so much. :)