Geometric Variation of Problem 964. Regular Hexahedron or Cube

Computer, Tablet, iPad Apps, Software.

Details: Click the figure below.

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Geometry Problem 1222: Doubling the Cube, Triangle, 90, 120 degrees, Perpendicular, Congruence

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to view more details of problem 1222.

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Geometry Problems 271-280: Circle, Quadrilateral, Square, Tangent, Cube, Triangle, Isosceles, Area, 90-80-80-20 Degrees, Circumcircle, Sagitta, Inradi

Ten Geometry Problems
Click the figure below to see problems 271-280 about Circles, Tangent, Cube, Triangle, Isosceles, Area, 80-80-20 Degrees, Circumcircle, Sagitta, Inradius, Square, 90, Chord, Quadrilateral, Perpendicular.

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Level: High School, SAT Prep, College geometry

Da Vinci Cube and Jenn 3D tool for visualizing Coxeter polytopes

Leonardo da Vinci (1452-1519) was a great lover of geometry. His most outstanding polyhedral accomplishment is the illustrations for Luca Pacioli's 1509 book The Divine Proportion.

Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Click the figure below to see the illustration.


See more:
Da Vinci cube and Jenn 3D tool

Beijing Water Cube: First Visitor

Proposed Problem
Click the figure below to see Eight Year Old Boy First Visitor Of Olympic Water Cube.


See also:
Eight Year Old Boy First Visitor Of Beijing Water Cube.
Collection of Geometry Problems

Problem 272. Tangent Circles, the Cube of the Common external tangent

Proposed Problem



See complete Problem 272 at:
gogeometry.com/problem/p272_tangent_circles_cube_common_external_tangent.htm

Level: High School, SAT Prep, College geometry

Problem 271. Tangent Circles, the Cube of the Common external tangent

Proposed Problem



See complete Problem 271 at:
gogeometry.com/problem/p271_tangent_circles_cube_common_external_tangent.htm

Level: High School, SAT Prep, College geometry