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.
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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