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graph ABCD...is it a square...A(-3,1) B(1,4)C(4,0)D(0,-3) JUSTIFY YOUR ANSWER AND SHOW WORK..THANK YOU

1 answer

slope of AB = 3/4
slope of CD = 3/4

slope of BC = -4/3
slope of DA = -4/3

sides are parallel and perpendicular in pairs, so it's a rectangle

|AB|=|CD| = 5
|BC|=|DA| = 5

sides are all equal lengths, so it's a square.
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