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Geometry 20 Online
OpenStudy (anonymous):

Which is an equation of the circle with a radius of 9 units and center at A. (x − 9)2 + (y + 4)2 = 4 B. (x − 4)2 + (y + 2)2 = 81 C. (x + 4)2 + (y − 2)2 = 81 D. (x − 2)2 + (y + 4)2 = 81

OpenStudy (anonymous):

centre at?

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