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

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Question 24420: find the center and the radius of the circle whose equation is (x-1)^2+(y-2)^2=4
Answer by askmemath(368) About Me  (Show Source):
You can put this solution on YOUR website!
Equation of a circle is given by %28x-a%29%5E2+%2B+%28y-b%29%5E2=+r%5E2
where (a,b) is the center of the circle and r is the radius
Therefore for %28x-1%29%5E2%2B%28y-2%29%5E2=4
center is (1,2) and radius = 2