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

  • geometry -

    We 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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