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
...
61

NEXT
»
Demonstrations 961  980 of 1216
Lines Parallel to the Sides of a Triangle
Mixtilinear Incircles
Two Lines Determine a Circle
Linear Transformations of a Polygon
Loculus of Archimedes
Matrix Transformation
Golden Spiral
The Minkowski Sum of a Disk and a Polygon
A Lemma of Archimedes about a Bisected Segment
Tangent Points on a Semicircle
Area of a Triangle inside the Incircle
Tangent Circles and Parallel Diameters
Adams' Circle and the Gergonne Point
Interior and Exterior Angles of Equilateral Figures
Cofunction Identities for Sine and Cosine
Incircles and a Cevian
The Midpoints of Two Cevians
The Quadrilateral of Centroids
The Area of the Contact Triangle
Perpendiculars to a Chord
«
PREVIOUS

1
...
46

47

48

49

50

51

52
...
61

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+