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Geometry Recent Additions (Page 6 of 20)
Above, left: Proposed geometry problem. Right: Butterfly theorem.
Welcome! Geometry Step-by-Step from the Land
of the Incas provides an eclectic mix of sound, science, and
Incan history in order to raise students' interest in Euclidean geometry.
Visitors will find geometry problems, proofs, quizzes, puzzles,
quotations, visual displays, "scientific
speculation", Cuzco, Machu Picchu, Lost City of the Incas, Nazca Lines, the Quipu, the Lord of Sipan, Caral: the oldest civilization in the Americas, and more.
Site created and maintained by Antonio Gutierrez.
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This site is best viewed
with Firefox or Internet Explorer and at a resolution
of 1024 x 768 or higher.
Requires:
Flash
Player,
Java
JRE 1.3 or higher
and JavaScript. |
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Recent
Additions (Page 6 of 20)
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460. |
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Sangaku Geometry Theorem: Three circles and a tangent line. |
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459. |
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Sangaku Geometry Theorem: Cyclic Quadrilateral.
Inradii, Rectangle. |
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458. |
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Sangaku Problem (An Old Japanese Theorem).
Inradii, Carnot's theorem. |
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457. |
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Steve Jobs' Commencement Address at Stanford University. |
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456. |
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Selected
Video Units |
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455. |
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The Incas
Index |
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454. |
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Yma Sumac
an amazing four-octave range.
The Castafiore Inca,
Gopher Mambo,
Machu Picchu, the
Secret of the Incas,
Tumpa, the Secret
of the Incas,
Chuncho,
the Forest Creatures,
Malambo #1,
La Pampa y
la Puna. |
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453. |
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Computer Graphics Animation: The Optiverse and other sphere eversion. |
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452. |
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Math
for Children: The Triangle by James Blunt. A parody of his popular song You're Beautiful. |
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451. |
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Proposed Problem
58: Right Triangle, Congruence, Perpendiculars. |
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450. |
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Blind Date: Math Pi and e. |
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449. |
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Tom Lehrer: Lobachevsky, humorous song.
Lehrer, satirist mathematician and Lobachevsky, founder of non-Euclidean
geometry.
That's
Mathematics, New Math,
The
Elements, Silent E,
Who's Next,
When You are Old and
Gray,
Poisoning Pigeons in the Park,
Pollution |
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448. |
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Transforming Teaching Through Technology. Pay Attention. How we can become a better teacher through technology.
Teaching Teaching and
Understanding Understanding |
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447. |
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Presidential
Candidates 2008.
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446. |
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Bathsheba Grossman & Geometry. Geometry Art, 3-D, Symmetry and Balance.
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445. |
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Pavel
Filonov & Geometry Anti-Cubism or Analytical Realism. |
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444. |
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Euclid's Elements,
Book XIII, Proposition 10 One page visual illustration. |
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443. |
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Mind Map of Theorems |
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442. |
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Mind Map of the Inca Empire.
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441. |
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Circulo de los Nueve Puntos: Spanish version.
Nine-Point Center,
Nine-Point Circle, Euler Line (English version) .
Interactive illustration.
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440. |
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Math in
the News
Algebra,
Analysis,
AP Calculus,
AP Statistics,
Applied Mathematics... |
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439. |
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Animated illustration of the celebrated Morley's trisector theorem |
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438. |
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Information Technology: 8 Ways to Boost Your Career in 2008 |
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437. |
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Caral: the Mother of All Civilizations? 2,627 BC.
Lost Pyramids of Caral 1,
2,
3,
4,
5,
6,
7
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436. |
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Video: Moebius Transformation Revealed.
Translation, dilation, rotation, and inversion to a higher dimension.
Moebius Trip or Mobius Band
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435. |
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Nine-Point Center,
Nine-Point Circle, Euler Line.
Interactive illustration.
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434. |
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Mascheroni Construction with
compass alone. Midpoint of a segment.
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433. |
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Pythagorean
Theorem, 47th Proposition of Euclid's
Book I, Video. |
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432. |
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Euclid's
Elements Book I, 23 Definitions. One-page visual illustration.
Euclid's
Elements Book. Index |
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431. |
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Sacred Geometry |
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