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

1

2

3

4

5
...
34

NEXT
»
Demonstrations 21  40 of 674
Calendar on Two Cubes
Op Art on Golden Rhombic Solids (II)
Golden Rhombic Solids with Nets
Op Art on Golden Rhombic Solids
The Double SubdivisionNetwork Method
A Shapeshifting Flexible Frame
Perspective Projection of a Cube onto a Plane
Dissection of Gerwien's Triangle into a Saccheri Quadrilateral on the Sphere
Orthogonal Projections of the Edges of a Cube
Monge Point of a Tetrahedron
Three Planes in a Trihedron
Inscribed and Circumscribed Spheres of a Tetrahedron
Two Conditions for a Tetrahedron to Be Orthocentric
Open Flexible Frame Based on a Rhombic Dodecahedron
A OneParameter Family of Zonohedra
Theorem on the Dihedral Angles of an Isosceles Tetrahedron
Properties of Isosceles Tetrahedra
RightAngled Tetrahedron
Construct a Dihedral Angle of a Tetrahedron Given Its Plane Angles at a Vertex
Altitude of a Tetrahedron Given Its Edges
«
PREVIOUS

1

2

3

4

5
...
34

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+