Geometry

1. Find the length of a diagonal of a rectangle ABCD with vertices, A (-3,1), B(-1,3), C(3,-1) and D (1,-3).

A) 5.7
B) 6.3
C) 3.2 *
D) 4.5

asked by Kayla
  1. Kayla, you were given the exact answer of 2√10 by "cyliner",
    which is 6.3245553...

    which correct to 1 decimals would be 6.3

    so .....

    posted by Reiny

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