Posted by Anonymous on Monday, March 16, 2009 at 8:05pm.
I think so too.
what about a parallelogram?
Only rectangles (squares included) have congruent diagonals, because all their angles are congruent (90 degrees). If you have angles larger or smaller than 90 degrees it makes the diagonals different lengths.
oh yeah, that's right. Thank you very much!
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