Geometry from the Land of the Incas 36/80

Geometry, Machu Picchu

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Recent Additions (Page 36 of 80)

Quadrilaterals

Kosnita theorem

Puzzle based on the Kosnita's Theorem
Kosnita's Theorem.
Circumcenters, Concurrent lines.

Euclid's Elements 23 definitions

Puzzle: Euclid's Elements Book I, 23 Definitions.
22 Piece Polygons.

Regular pentagons, Angle

Proposed Problem 410.
Two Regular Pentagons, Angle.
Puzzle: 22 piece polygons.

Triangle, 120 degrees, angle bisectors

Puzzle based on the problem 368.
Triangle, 120 degrees, Angle bisectors, Perpendicular.
.

Inca Skull Surgery

Puzzle: Inca Skull Surgery. 22 Piece Polygons.
Inca Skull Surgeons Were "Highly Skilled," Study Finds.
Trepanation = square hole in the skull.

Quadrilateral, Angles, Diagonals, Perpendicular

Proposed Problem 409.
Quadrilateral, Diagonals, Perpendicular, Congruence.

Taj Mahal Geometry Shapes

Puzzle: Taj Mahal & Geometry Shapes.

Cyclic quadrilateral, Perpendicular, Parallelogram, Congruence

Proposed Problem 408.
Cyclic quadrilateral, Perpendicular, Parallelogram, Congruence.

Angle, Circle, Radius, Tangent, Secant, Perpendicular

Proposed Problem 407.
Circle, Angle, Tangent, Perpendicular, Secant, Radius, Center.

Valicha in Quechua, Video

Valicha (Huayno) in Quechua
Video by William Luna and the Symphony Orchestra of Peru.

Right triangle, 15 degrees

Proposed Problem 406.
Right triangle, 15 degrees, Midpoints, Congruence.

Puzzle: If - Rudyard Kipling' Poem. 6 piece classic.

Quadrilateral, 60, 75, 135 degrees

Proposed Problem 405.
Quadrilateral, 60, 75, and 135 degrees, Midpoint.

Jenn 3D Software mindmap

Jenn 3D, free software tool for visualizing Coxeter polytopes.
Interactive mind map.

Equilateral triangles

Proposed Problem 404.
External Equilateral triangles, Congruent and Concurrent Lines.

Circular Sector Index

Circular Sector. Index.
Theorems and Problems. 

Trapezoid median, Theorems and Problems, Index

Median of a Trapezoid, Theorems and Problems. Index.

Da Vincy Polyhedra Index

Da Vinci Polyhedra and Jenn 3D tool.
Index

Inka Exhibition: Korea

"The Great Myth and Mystery of Peruvian Civilization" at the National Museum of Korea.
Dec 11, 2009 - March 28, 2010.

Da Vinci Tetrahedron Jenn 3D Coxeter polytopes

Da Vinci Tetrahedron and Jenn 3D tool for visualizing Coxeter polytopes.
Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Da Vinci Cube, Jenn3D Coxeter polytopes

Da Vinci Cube and Jenn 3D tool for visualizing Coxeter polytopes.
Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Da Vinci Octahedron, Jenn3D

Da Vinci Octahedron and Jenn 3D tool for visualizing Coxeter polytopes.
Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Da Vinci Icosahedron, Jenn3D

Da Vinci Icosahedron and Jenn 3D tool for visualizing Coxeter polytopes.
Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

Da Vinci Dodecahedron, Jenn3D

Da Vinci Dodecahedron and Jenn 3D tool for visualizing Coxeter polytopes.
Jenn 3D is a free software license program for visualizing regular polytopes in stereographic projection.

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