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
...
37

38

39

40

41

42

43
...
60

NEXT
»
Demonstrations 781  800 of 1184
Stewart's Theorem
The Semiperimeter and Tangents to Excircles
A Line Parallel to a Side of a Triangle
The Distance to the Orthocenter from a Vertex
Two Midpoints of a Trapezoid
Angular Displacement
Dissecting a Hexagon into Four Smaller Hexagons
The Hagge Circle
Bisectors of the Angles of the Orthic Triangle
The Triangles Cut Off by the Sides of the Orthic Triangle
Mona Lisa and the Golden Rectangle
SquareHole Drill in Three Dimensions
Inversive Geometry I: Basic Properties of Inversion
SelfIntersections in a Polygon
A Generalization of IMO 2008 Problem 1
Dust with Line Shadows in Every Direction
A Concurrency Involving the Midpoints of the Sides and the Altitudes
Angle Bisector Theorem
The Ratio of a Side of a Triangle to the Corresponding Side of the Orthic Triangle
Concyclic Points Derived from Midpoints of Altitudes
«
PREVIOUS

1
...
37

38

39

40

41

42

43
...
60

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+