Asked by devendra.mittal | 3rd Jan, 2010, 02:35: PM

Expert Answer:

Equation of diagonals of parallelogram are x+3y=4, slope (m)= -1/3

and 6x-2y=7 slope(n)  3

mn =-1

So the diagonals must be perpendicular to each other.

A parallelogram with perpendicular diagonals is a rhombus

Answered by  | 4th Jan, 2010, 10:37: AM

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