CBSE Class 11-science Answered
STRAIGHT LINES
Asked by devendra.mittal | 03 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
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