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A Butterfly Theorem for Quadrilaterals

The Butterfly Theorem states, "Through the midpoint I of a chord AC of a circle, two other chords EF and HG are drawn. If EG and HF intersect AC at M and N, respectively, then IM = IN."
Old Node ID: 
3466
MSC Codes: 
97G40
Author(s): 
Sidney Kung (University of North Florida)
Publication Date: 
Wednesday, March 24, 2010
Original Publication Source: 
Mathematics Magazine
Original Publication Date: 
October, 2005
Subject(s): 
Patterns
Plane Geometry
Geometry and Topology
Flag for Digital Object Identifier: 
Publish Page: 
Furnished by JSTOR: 
Rating Count: 
5.00
Rating Sum: 
15.00
Rating Average: 
3.00
Modify Date: 
Wednesday, March 24, 2010
Average: 3 (5 votes)

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