document.write( "Question 175461: If a Quadrilateral is a parallelogram with perpendicular diagonals then its a rhombus???
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Algebra.Com's Answer #130537 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
true!!
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\n" ); document.write( "A rhombus is actually just a special type of parallelogram. Recall that in a parallelogram each pair of opposite sides are equal in length. With a rhombus, all four sides are the same length.It therefore has all the properties of a parallelogram.
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\n" ); document.write( "If the diagonals formed anything but 90 degree angles it would only be a parallelogram because we would not have equal sides
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