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The Three-Chord Lemma
Let AB, AC, and AD be three chords on a circle such that AC bisects
BAD. Then
.
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Contributed by:
Jay Warendorff
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Three-Chord Lemma
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
The Three-Chord Lemma
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheThreeChordLemma/
Contributed by:
Jay Warendorff
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