find the radius of the circle with these three points: (2,2),(10,6),(11,5) and center of (7,2)

find the radius of the circle with these three points: (2,2),(10,6),(11,5) and center of (7,2)
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1 Answer

From the center (7,2) to (2,2) the distance is 5. (they are horizontal 7-2=5)

It would be the same if you used the distance formula with either of the two other points.

r=5
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