GMAT Problem Solving (PS) | Re: In the coordinate plane, a circle has center (2, -3) and

Because the circle passes through point (5,0) and has center (2,-3), we know that the distance between these points is the radius of the circle.

Since we are given the coordinates for each point, the easiest thing to do is to use the distance formula to determine the circle's radius. The distance formula is:

Distance=√[(x2 – x1)^2 + (y2 – y1)^2]
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