Subscribe to RSS feed
Demonstrations 2081 - 2100 of 2748
Four Concurrent Lines in a Cyclic Quadrilateral
A First Morley Triangle Concurrence
Relations between Some Triangles Associated with Excircles
Three Ways to Fold a Net of Eight Triangles
The Extouch and Intouch Triangles of a Triangle
A Relation between Incircles and Excircles
A Generalization of Hansen's Theorem
Sydler's Dissection of a Pyramid into a Prism
Dissecting the Triangular Hebesphenorotunda (Johnson Solid 92)
Two Ways of Folding a Sphinx into a Triangular Dipyramid
A Parallelogram Defined by the Centers of Four Circumcircles
Decomposing a Rhombic Solid into a Truncated Octahedron
Estimating Perimeter and Area of Simple Polygons
The Contact Triangle and Two Other Subtriangles
Dissecting a Rhombic Dodecahedron into an Octahedron and Two Tetrahedra
Approximating the Derivative by the Symmetric Difference Quotient
The Nagel Point
Dissecting a Rhombic Dodecahedron into Two Cubes
Decomposing a Cuboctahedron into Three Rhombic Dodecahedra and Two Tetrahedra
The #1 tool for creating Demonstrations
and anything technical.
Explore anything with the first
computational knowledge engine.
The web's most extensive
Course Assistant Apps »
An app for every course—
right in the palm of your hand.
Wolfram Blog »
Read our views on math,
science, and technology.
Computable Document Format »
The format that makes Demonstrations
(and any information) easy to share and interact with.
STEM Initiative »
Programs & resources for
educators, schools & students.
Join the initiative for modernizing
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
© 2015 Wolfram Demonstrations Project & Contributors |
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