Show that c ABCD formed by the vertices A(-4,-7), B(-1,2), C(8,5)
and D(5,-4) is a rhombus.
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Al sides of vertices are equal
AB=3_/10
BC=3_/10
CD=3_/10
DA=3_/10
AB=BC=CD=DA
THEREFORE ,thes are the vertices of a rhombus
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