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October 25, 2014

October 25, 2014

Posted by **Isabella** on Tuesday, August 30, 2011 at 11:35pm.

- geometry -
**MathMate**, Wednesday, August 31, 2011 at 8:57amWe can make use of the distance formula between two points P1(x1,y1), P2(x2,y2), where

D = √((x2-x1)²+(y2-y1)²)

Here M(-3,-9) and N(4,8)

so distance

D = √((4-(-3))²+(8-(-9))²)

= √((7)²+(17)²)

= √(49+289)

= √(338)

= 18.38 approx.

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