A quadrilateral has vertices
P(3,5),Q(-4,3),R(-3,-2),and S(5,-4).
Find the lengths of the diagonals,to the nearest tenth?

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  1. Maybe re-wording this question will help you out. Find the distance between two points:
    a)(-4,3) and (5,-4)
    b)(-3,-2) and (3,5)

    I'm sure your teacher gave you this formula:

    d = sqroot [(x2 - x1)^2 + (y2 - y1)^2]

    where x and y are defined as (x,y) in the coordinate. x2 just mean the x in the second coordinate.

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