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The equation of a circle with center (0, 3) and radius 3 is

The equation of a circle centred at O(xo,yo) and radius R is:
(x-xo)2 + (y-yo)2 = R2
You can take it from here.

x^2+(y_3)=9

(x-h)'2'+(y-k)'2'=r'2' then x'2'+(y-3)sq=9 if u want u can join me on facebook.

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