Question

find the center & radius of the circle with the given equation: x^2 +(y-2)^2=4

Answer 1

Given the equation of a circle:
\[(x-k)^2+(y-h)^2=r^2\].
The center is (k,h) and the radius is r.
So for yours, the center is (0,2) and the radius is 2.

Answer 2

thank u!

Answer 3

No problem :P