22-09-2014
Mathematics

Answered

The endpoints of line segment MN are M(-3, -9) and N(4, 8). What is the approximate length of line segment MN?

Answer :

22-09-2014

[tex]M(-3,-9)\ \ \ N(4,8)\\\\ MN=\sqrt{(x_N-x_M)^2+(y_N-y_M)^2}\\\\ MN=\sqrt{(4+3)^2+(8+9)^2}=\sqrt{49+256}=\sqrt{305}=17,5\\\\ Length\ of\ this\ segment\ is\ equal\ to\ 17,5[/tex]

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