Centre = (0,0), radius = sqrt(5)
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Center is (0, 0) . . . the origin.Radius is 7.
The centre is (3,-1) and the radius is sqrt(10).
Type your answer here. Find the radius for a circle with the equation x2 plus y2 equals 9? ..
Centre = (0,0), the origin; radius = 11
The radius will depend on the plus or minus value of 10 or whether or not it needs a plus sign but the center of the circle is at (-2, 3)