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Specie registered in Machu Picchu.

Above, left: Butterfly specie registered in Machu Picchu, Lost City of the Incas, Cuzco. 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.

 

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.
 

Recent Additions (Page 14 of 20)

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200.

Tissue Geometry Plays Crucial Role in Breast Cell Invasion

199.

Blanchet Theorem

198.

Math History: Euclid returns to math lessons
Knowing how a mathematical theory developed improves a pupil's understanding of it.

197.

Machu Picchu and the 21 finalist for the New Seven Wonders of the World

196.

Sawayama -Thebault's theorem

195.

Pre-Inca Paracas Culture Fabrics.

194.

Mushroom and Geometric Art is a mosaic of changing symmetrical patterns of three colorful mushroom pictures: Polyporus brumalis, Panellus serotinus, and Paxillus involutus.

193.

Proposed Problem 34.
Right triangle, cevian, incircles, tangents and inradius.

192.

Proposed Problem 33.
Triangle and quadrilateral.

191.

Nike Golf's Geometry

190.

Engineer leaves career to teach geometry

189.

Navier-Stokes Equation, Millennium Prize $1 million
Has famous math problem been solved, and in only a month?

188.

Cyclic Quadrilateral: Ratio of the Diagonals
 

187.

Problem 32.
Triangle, Cevian, Incircles, Tangents.

186.

Problem 31. Right Triangle, Incircle, Collinears.
Problem 30. Right Triangle, Incircle, Inradius.

185.

Faces on Mars and Earth. ESA probe confirms Face of Mars is a naturally formed hill.
Nestled in the clays of the Andes Mountains, near Colca Canyon, Arequipa, Peru, is the face of a man as viewed from space in Google Earth.

184.

Microsoft Certification Mind Map
Mind Map of Microsoft Office 2007
Mindmap of the Microsoft Expression Web

183.

Robert Frost Poem Discovered.  Grad student finds Frost poem lost for 88 years while searching through material in Special Collections.

182.

Interactive Mind Map of the Van Hiele Model of Geometric Thought
 

181.

Ptolemy's Theorem.
 

180.

Inca Calendar according to Guaman Poma's work 1615

179.

Proposed Problem 29.
Right Triangle, altitude, incircle and inradius. Ten conclusions.

178.

Problem 29: Geometry Help.
Facts you should know.

177.

Mind Map of Geometry in Action

176.

Geometry in Action: Artery Geometry

175.

Heron's Formula with medians 

174.

Pentagon and Lissajous Art  

173.

Inca History according to Guaman Poma's work in 1615.

172.

Lake Titicaca and the Inca Manco Capac

 

171.

Hexagon and Lissajous Art  

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Last updated: July 21, 2008