The Product of the Side Lengths of a Triangle

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Let the circumradius of a triangle ABC be R. Then .
Contributed by: Jay Warendorff (March 2011)
After work by: Alexander Bogomolny
Open content licensed under CC BY-NC-SA
Snapshots
Details
A. Bogomolny, "Relations between Various Elements of a Triangle," Interactive Mathematics Miscellany and Puzzles.
Permanent Citation
"The Product of the Side Lengths of a Triangle"
http://demonstrations.wolfram.com/TheProductOfTheSideLengthsOfATriangle/
Wolfram Demonstrations Project
Published: March 7 2011