EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Subscribe to RSS feed
Jay Warendorff
1

2

3

4
...
14

NEXT
»
Demonstrations 1  20 of 271
Triangle Altitudes and Circumradius
Another Variant of Kosnita's Theorem
The Begonia Point
An Application of the GergonneEuler Theorem
The Knight's Tour
The Excentral Triangle and a Related Hexagon
Four Concyclic Points
Cross's Theorem
A Concurrency from Midpoints of Arcs of the Circumcircle
A Concurrency of Lines through Points of Tangency with Excircles
A Concurrency from Six Pedal Points
Zeckendorf Representation of Integers
A 2011 IMO Tangency Problem
The Fuhrmann Circle
A Chinese Knight's Tour
The Triangles Formed by the Endpoints and Midpoints of Cevians
An Angle Bisection
Three Concyclic Sets of Points Associated with the Orthic Triangle
The SeeSaw Lemma
A Concurrency from the Reflection of the Incircle's Contact Points across the Incenter
1

2

3

4
...
14

NEXT
»
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+