Intersecting Chords Theorem
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Let P be a point inside a circle. Let AB and CD be two chords through P. Then, AP BP = CP DP.[more]
Drag the orange points to change the chords.[less]
Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA
"Intersecting Chords Theorem"
Wolfram Demonstrations Project
Published: March 7 2011