Online Geometry Education, College, High School, Tutoring, Tutorial, Tutor

Geometry from the Land of the Incas: Theorems and Problems. Drawings, InfoGraphics, Mobile Apps, Tutoring, Teaching. HS, College

Geometry from the Land of the Incas is a free educational website, aimed mainly at high school and college students with the goal of raising interest in Euclidean geometry. Antonio Gutierrez.

Euclid Teaching Geometry


Geometry Problem 1486

Geometry Problem 1486.
Right Triangle, Altitude, Incircle, Tangent, Measurement.

Geometry Problem 1485

Geometry Problem 1485.
Triangle, Orthocenter, Altitude, Circle, Diameter, Tangent, Measurement.

Geometry Problem 1484

Geometry Problem 1484.
Right Triangle, Altitude, Incircles, Inradius, Measurement.

Dynamic Geometry 1483

Geometry Problem 1483.
Isosceles Right Triangle, Excenter, Perpendicular, Measurement.

Dynamic Geometry 1482

Geometry Problem 1482.
Right Triangle, Perpendicular, Double Angle, Measurement.

Dynamic Geometry 1481

Dynamic Geometry 1481.
Five Tangential or Circumscribed Quadrilaterals, Pitot Theorem, Congruence, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1480

Dynamic Geometry 1480.
Japanese Theorem for Cyclic Polygon, Sangaku, Triangulation, Non-intersecting Diagonals, Sum of Inradii, Invariant, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1479

Dynamic Geometry 1479.
Triangle, Circumcircle, Angle Bisector, Perpendicular Bisector, Chord, Concyclic Points, Parallel Lines,, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1478

Dynamic Geometry 1478.
Cyclocevian, Reuschle-Terquem Theorem, Concurrent Cevians, Triangle, Circumcircle, Secant line, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1477

Dynamic Geometry 1477.
Miquel's Pentagram Theorem, Pentagon, Triangle, Circumcircles, Concyclic Points, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1476

Dynamic Geometry 1476.
Droz-Farny Line Theorem, Triangle, Orthocenter, Perpendicular, Collinear Midpoints, Step-by-step Illustration. GeoGebra, iPad.

Dynamic Geometry 1475

Dynamic Geometry 1475.
Clifford Intersecting Circles Theorem, Step-by-step Illustration, GeoGebra, iPad.

Dynamic Geometry 1474

Dynamic Geometry 1474.
Butterfly Theorem, Circle, Chords, Midpoints, Step-by-step Illustration.

Dynamic Geometry 1473

Dynamic Geometry 1473.
Kosnita's Theorem, Triangle, Four Circumcenters, Concurrent Line, Step-by-step Illustration.

Dynamic Geometry 1472

Dynamic Geometry 1472.
Cyclic Quadrilateral, Perpendicular Diagonals, Rectangle, Step-by-step Illustration.

Dynamic Geometry 1471

Dynamic Geometry 1471.
Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines, Step-by-step Illustration.

Dynamic Geometry 1470

Dynamic Geometry 1470.
Tangential Quadrilateral, Incircles, Tangent, Parallel, Rhombus, Step-by-step Illustration.

Dynamic Geometry 1469

Dynamic Geometry 1469.
Triangle, Circumradius, Inradius, Midpoints, Arcs, Sum of Distances, Step-by-step Illustration.

Dynamic Geometry 1468

Dynamic Geometry 1468.
Steiner's Theorem, Triangle, Circumradius, Inradius, Sum of Exradii, Step-by-step Illustration.

Geometry Problem 1467

Geometry Problem 1467.
Square, Rectangle, Triangle, Area.

Geometry Problem 1466

Geometry Problem 1466.
Tangential Quadrilateral, Newton Line, Incenter, Midpoint, Diagonal, Collinear Points. Step-by-step Illustration using GeoGebra.

Geometry Problem 1465

Geometry Problem 1465.
Tangential Quadrilateral, Incenter, Inscribed Circle, Equal Sum of Areas. Step-by-step Illustration using GeoGebra.

Online education degree: Geometry problems, Tutoring, Tutorial, Tutor

Geometry Problems
Over 1400 Visually Stimulating Problems. College, High School

Online education degree: Open geometry problems

Open Geometry Problems

Open Pit Mining Art Index

Open Pit Mining Art

Geometry for Children

Geometry for Children, Kids.

iPad Apps Index

iPad Apps for Geometry, Index.

Inca Geometry Machu Picchu

Inca Geometry.
Machu Picchu, Cuzco, Nazca Lines, and more. 

Geometry in the real world, Index

Geometry in the Real World.

Geometric Art

Geometric Art.

Geometry Theorems, Tutoring, Tutorial, Tutor


Recent additions, the Inca

What's New, Recent Additions.

Software Index

Software Index.

Solid Geometry

Dynamic Geometry.

Word Cloud Index

Word Cloud or Tag Cloud Index
Weighted list in visual design

Mind Map, Machu Picchu

Mind Maps Index.

Classical Theorems, Tutoring, Tutorial, Tutor

Classical Theorems.

Geometria, Teoremas y Problemas

Geometria en Espanol, Teoremas y Problemas en Espanol.
(Spanish-language version)

Inca Gold, Mining in the World

Inca Gold, Mining in the World.

Brain Tool Index

Brain Tools Index

Classical Pythagorean Theorem

Puzzles - Index

English as a Second Language Index

English (ESL) Index.

MindMap of Academic Disciplines
Academic Disciplines in motion.

Go Geometry from the Land of the Incas- Table of Content

Recent Additions


   Classical Theorems


      Ten Geometry Problems

      Visual Index

      Problemas en Espanol (Spanish-language version)

   Parallel lines

   Perpendicular lines

   Collinear Points


   Metric Relations


   Triangle & Squares







   Triangle Centers


   Similarity, Ratios, Proportions


   For Children

Geometria (Spanish)

Geometry in the Real World


Privacy Policy

Solid Geometry

   Online Jigsaw Puzzle: Geometry


   Dynamic Geometry

   Geometry Expressions

   iPad Apps

   Wolfram Alpha Applications

Geometric Art


Go Geometry Education

   Mind Maps

   Fields of Mathematics

   Word Cloud

   Robotics and Geometry

   English (ESL) 

Inca Geometry

   Machu Picchu

   Cuzco (Cusco, Qusqu)

   Inca Music: El Condor Pasa

   Nazca Lines

   The Incas

   Mining in the World

   Peruvian Cuisine: Inca Heritage

Site Map


Blog (Spanish)

Home | Translate | Email | by Antonio Gutierrez
Last updated: Nov 27, 2020