Wolfram Demonstrations Project

13,000+ Open Interactive Demonstrations
Powered by Notebook Technology »

The Butterfly Theorem

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

Let HE be a chord of a circle and CF and DG be two other chords passing through the midpoint P of HE. If CG and DF intersect HE, denote the points of intersection by A and B. When CG and DF intersect HE, P is the midpoint of AB.

[more]

Drag any of the magenta points on the circle to modify the diagram.

[less]

Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA

Snapshots

Details

detailSectionParagraph
Embed Code

Take advantage of the Wolfram Notebook Emebedder for the recommended user experience.

Related Demonstrations More by Author
Browse all topics
Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
Send