SOLUTION: find the radius of the circle defined with these three points. (0,1),(8,1),(4,5)

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Question 458242: find the radius of the circle defined with these three points. (0,1),(8,1),(4,5)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2 points have the same y, (0,1) and (8,1).
The 3rd point's x is 1/4 of the other 2, so the 1st 2 points are a diameter.
That makes the center (4,1) and the radius 4.
--> %28x-4%29%5E2+%2B+%28y-1%29%5E2+=+4%5E2
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