EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Subscribe to RSS feed
Plane Geometry
«
PREVIOUS

1
...
5

6

7

8

9

10

11
...
51

NEXT
»
Demonstrations 141  160 of 1014
Dougall Theorem II: Inscribed Triangles
Six Triangle Orbits
The Brocard Points and Neuberg Circles of a Triangle
Inscribe a Scaled Copy of a Triangle in Another Triangle
Problems on Circles XV: Bar Fixed to Two Rotating Circles
Almost Equilateral Triangles
Generalized Inscribed and Escribed Triangles
Intersection of Sectors
Divide Triangles
Recursive Exercises XIII: Nested Pentagons
The Eratosthenes Machine for Finding the Cube Root of Two
Trisection by Sliding a Line
Pascal's Angle Trisection
Theobald's Dissection of a Heptagon to a Pentagon
Find the Angle Measure in a Regular Polygon
Lindgren's Dissection of a Pentagon to a Hexagon
1992 CMO Problem: Cocircular Orthocenters
Dissection of a Maltese Cross to a Square
Dissecting a Dodecagram {12/2} to a Square
Dissection of a Dodecagram {12/5} to a Square
«
PREVIOUS

1
...
5

6

7

8

9

10

11
...
51

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+