Subscribe to RSS feed
Demonstrations 81 - 100 of 590
The Plemelj Construction of a Triangle: 1
Find the Angle Whose Sine is the Product of the Sine and Cosine of Two Other Angles
A Theorem on the Dihedral Angles of a Tetrahedron
Geometric Solution of a Quadratic Equation Using Carlyle's Circle
The Plemelj Triangle via the Fixed Point of a Transformation
Algebraic Solution of the Plemelj Triangle Construction Problem
Three Coplanar Bisectors in Unit Sphere Construction
Three Tilings of the Sphere with Right Triangles
Five Concyclic Points in a Triangle
Three Edge-to-Edge Sphere Tilings with Right Triangles
Triangles with Equal Area Are Equidecomposable (Equivalent by Dissection)
Three Spherical Triangles of Equal Area
Dissection of a Composite Spherical Triangle
Dissection of a Spherical Triangle into a Square
Hinged Dissection of a Spherical Triangle into a Spherical Lune
Monge Point of a Tetrahedron
Locus of Points at Constant Distance from the Edges of a Trihedron
Inscribed and Circumscribed Spheres of a Tetrahedron
Two Conditions for a Tetrahedron to Be Orthocentric
Properties of Isosceles 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.
© 2019 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