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X² + y²-16x +2y + 73= 12y; radius​

User Rbrundritt
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x^2 - 16x + 64 + y^2 - 10y + 25 - 16 = 0
(x -8)^2 + (y-5)^2 = 16
r^2 = 16
Therefore r = 4
User Tgunn
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