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
...
46

47

48

49

50

51

52
...
59

NEXT
»
Demonstrations 961  980 of 1174
A Theorem about Two Tangent Circles
Crossed Ladders Theorem
Distances from the Centroid
Fuhrmann's Theorem
Théorème de Pascal (French)
Voronoi Diagrams
Six Incircles in an Equilateral Triangle
Hoehn's Theorem
Angle Bisector for an Angle Subtended by a Tangent Line
Bottema's Theorem
Hjelmslev's Theorem
Bennett's OctagontoSquare Dissection
A Visual Proof of the DoubleAngle Formula for Sine
A Visual Proof of the CauchySchwarz Inequality in 2D
Menelaus' Theorem
Viviani's Theorem
Lindgren's SquaretoDodecagon Dissection
Busschop's HexagontoSquare Dissection
Brodie's PentagontoSquare Dissection
Dudeney's CrosstoIsoscelesRightTriangle Dissection
«
PREVIOUS

1
...
46

47

48

49

50

51

52
...
59

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+