The equation of a circle centred at O(xo,yo) and radius R is:
(x-xo)2 + (y-yo)2 = R2
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The equation of a circle with center (0, 3) and radius 3 is
3 answers
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.