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Mathematics 19 Online
OpenStudy (anonymous):

What is the equation of this circle?

OpenStudy (flying_dutchman):

The standard form equation of a circle is (X-H)^2 + (Y-K)^2=r2 H and K are the coordinates x and y of your circle. so, you'd have: (3-1)^2 + (2-0)^2=4

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