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March 4, 2015

March 4, 2015

Posted by **Rick** on Saturday, August 25, 2012 at 5:19pm.

"AB has endpoints A(n,4n) and B(3n,6n).

Which of the following is true?

A. AB=4n

B. The midpoint of AB is (2n,2n).

C. AB=n√8

D. The midpoint of AB is (4n,10n)".

PLEASE HELP!!!!!

- geometry -
**Steve**, Saturday, August 25, 2012 at 5:52pmAB = √(3n-n)^2+(6n-4n)^2 = √(4n^2+4n^2) = n√(8)

midpoint = (2n,5n)

looks like only C

- geometry -
**Rick**, Saturday, August 25, 2012 at 6:47pmThanks!!!!

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