SOLUTION: What is the length of the radius of a circle whose diameter has endpoints (3,2) and (-7, -2)

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Question 957585: What is the length of the radius of a circle whose diameter has endpoints (3,2) and (-7, -2)
Answer by Alan3354(69443) About Me  (Show Source):
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What is the length of the radius of a circle whose diameter has endpoints (3,2) and (-7, -2)
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It's 1/2 the distance between the points.
d+=+sqrt%28diffy%5E2+%2B+diffx%5E2%29