SOLUTION: CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD?

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Question 855897: CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(2,-1) to(8,3) is 1/2 CD
2 sqrt(13)=7.2111
double it
4 sqrt(13)=14.4222