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The points A(2,0),\ B(9,1),\ C(11 ,6)a n...

The points `A(2,0),\ B(9,1),\ C(11 ,6)a n d\ D(4,4)` are the vertices of a quadrilateral `A B C Ddot` Determine whether ABCD is a rhombus or not.

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RD SHARMA ENGLISH-BRIEF REVIEW OF CARTESIAN SYSTEM OF RECTANGULAR COORDINATES-All Questions
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