document.write( "Question 837928: Coordinate geometry proof:
\n" ); document.write( "Prove- The diagonals of a parallelogram are not perpendicular. \r
\n" ); document.write( "\n" ); document.write( "Don't really get this one. What would the picture look like? What formulas and concluding statement would you use ?
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Algebra.Com's Answer #504818 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
That statement is not always true. If the parallelogram is a rhombus, then its diagonals are perpendicular. \n" ); document.write( "
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