SOLUTION: find the center and the radius of the circle whose equation is (x-1)^2+(y-2^2=4 this problem is bugging me please help

Question 23870: find the center and the radius of the circle whose equation is (x-1)^2+(y-2^2=4

this problem is bugging me please help
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The standard form of the equation of a circle whose centre is at (h, k) and whose radius is r is:
compare this with your equation:

From this point, you can read off the coordinates of the centre and the length of the radius.
The centre is at (1, 2) and the radius is 2.
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