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RE: The length of diagonal of a parallelogram
Posted:
Jun 29, 2004 8:31 AM


> Original Message > From: ownergeometrypuzzles@mathforum.org [mailto://ownergeometry > puzzles@mathforum.org] On Behalf Of Jo Ann Gilpin > Sent: Tuesday, June 29, 2004 9:32 AM > To: geometrypuzzles@mathforum.org > Subject: The length of diagonal of a parallelogram > > Is there a simple formula for figuring out the length of diagonal for > a parallelogram (with no right angles)? I've been trying to figure > this out for the past couple hours!!
Hint: cosine rule



