Hi,



The coordinates of the vertices of parallelogram ABCD are A(–1, –3), B(7, 2), C(5, 8), and D(–3, 3). 

A(–1, –3) 

C( 5, 8)   m = 11/6

B(7, 2)

D(–3, 3)   m = -1/10 

Diagonals AC is not perpendicular BD, ABCD is not a rhombus



 

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