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Recent
Additions (Page 20 of 20)
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40. |
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Machu Picchu and Geometric Art
randomly generated with animation. |
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39. |
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Miquel's Pentagram Theorem
Interactive proof with animation and key theorems.
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38. |
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Clifford's Circle Chain
Theorems. This is a step by step presentation of the first theorem.
Clifford discovered, in the ordinary Euclidean plane, a "sequence or
chain of theorems" of increasing complexity, each building on the last
in a natural progression.
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37. |
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Parallelogram with Squares theorem Thébault's Theorem.
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36. |
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Triangle with Squares 0:
Two squares.
Triangle with Squares 1:
Two squares.
Triangle with
Squares 2: Two squares.
Triangle with
Squares 3: Three squares.
Triangle with Squares 4:
Finsler-Hadwiger Theorem.
Triangle with Squares 5: Two squares,
median and altitude.
Triangle
with Squares 6: Four squares. |
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35. |
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The Landscape of
Geometry Terms.For right brain thinking (random, visual, subjective,
emotional, holistic, intuitive, creative, divergent..) with
randomly selected terms, depending on size and location, and zoom.
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34. |
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Geometry Problems.
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33. |
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Geometry Proofs jokes. Matching exercise.
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32. |
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Triangle Centers. Word find puzzle. |
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31. |
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The Lord of Sipan,
Spiderman Puzzle: 50 pieces of circles. |
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30. |
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Quizzes:
Geometry SAT Techniques, matching exercises.
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29. |
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The Lord of Sipan Puzzle: 22 pieces of polygons. |
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28. |
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Kurschak's Tile and Theorem.
Jozsef Kurschak (Hungary, 1864-1933) An elegant and a purely geometric
way of finding the area of a regular dodecagon.
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27. |
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Geometry jokes
Crossword.
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26. |
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The Bevan Point The
circumcenter of the excentral triangle. Illustration with animation.
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25. |
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The Bevan Point:
Puzzle |
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24. |
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Cuzco: The
Stone of twelve angles
An example of Inca skill with polygonal
masonry. Puzzle: 22
pieces of polygons.
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23. |
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Machu Picchu. Lost City of the Incas. Puzzle:
Puzzle 41 pieces of polyominoes. |
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22. |
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If
- Rudyard Kipling' Poem. An Inspirational Poem for
Problem Solving.
See also:
Spanish Version.
If - Math Humor.
High school version. |
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21. |
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Site Map. Quick Cross-reference
for Geometry from the Land of the Incas . |
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20. |
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Angle between two
Simson Lines. Proof with animation.
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19. |
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Simson Line. A proof
of Simson line with animation. |
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18. |
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New version of
The Raft of the Medusa.
Inspiration for Problem solving with fractals and animation.
Languages: English,
Spanish and
Traditional Chinese.
The Raft of the Medusa:
Video |
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17. |
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Archimedes and the Rhombicuboctahedron. Archimedes the Geometer with animation.
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16. |
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Johnson's Theorem. Three equal circles pass through a common point...
Introduction with animation.
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15. |
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Varignon and Wittenbauer paralellograms. Quadrilateral: midpoints and
trisection points of the edges.
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14. |
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Desiderata: Max Ehrmann's Poem for a Way of Life. Problem Solving
inspiration with animation.
See also: Spanish
version |
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13. |
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Inca
Music. One of the best-known Inca folk tune in the world (due to
Simon and Garfunkel's interpretation) |
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12. |
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Van Aubel's Theorem.
Quadrilateral with Squares. Proof with animation.
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11. |
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Butterfly Theorem
Proof with animation. |
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10. |
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Butterfly Theorem: Puzzle. |
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9. |
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"Inca City" on Mars with animation. |
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8. |
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Langley's
Problem Adventitious
angles. 20° isosceles triangle with animation.
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7. |
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Top Ten Reasons
to Enjoy Geometry
with animation.
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6. |
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Triangle with Squares Problem
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5. |
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Sangaku Problem. The incenters of four
triangles in a cyclic quadrilateral form a rectangle. |
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4. |
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Cuzco.
Inca Empire
Capital.
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3. |
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Machu Picchu,The Lost City of the Incas. |
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2. |
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The Lord of Sipan. |
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1. |
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See also:
The Incas
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