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

Geometry from the Land of the Incas: Theorems and Problems with Solutions. Drawings, InfoGraphics, Mobile Apps

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.

Orthocenter visual Index

Orthocenter of a triangle, Theorems and Problems - Visual Index.

Energy Mind Map

Energy Mind Map.

Geometry Problem 1502

Geometry Problem 1502.
Right Triangle, Incircle, Inradius, Geometric Mean of 2 Inradii, Angle Bisector, Perpendicular, Tangential Quadrilateral.

Geometry Problem 1501

Geometry Problem 1501.
Square, Exterior Point, Congruent Angles, Segment, Measurement.

Geometry Problem 1500

Geometry Problem 1500.
Circle, Perpendicular, Tangent, Secant, Cyclic Quadrilateral, Parallel, Similarity, Measurement.

Geometry Problem 1498

Geometry Problem 1499.
Triangle, Angles, Cevian, Congruence, Isosceles, Equilateral, Auxiliary Construction.

Geometry Problem 1498

Geometry Problem 1498.
Intersecting Circles, Diameter, Common Chord, Secant, Cyclic Quadrilateral, Concurrent Lines, Concyclic and Collinear Points.

Geometry Problem 1497

Geometry Problem 1497.
Triangle, Transversal, Same Ratio, Proportionality, Isosceles, Double Angle.

Geometry Problem 1495

Geometry Problem 1495.
Circle, Parallel Chords, 30 Degree Angle, Radius Squared

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

Geometry Problems
Over 1500 Visually Stimulating Problems. College, High School

Online education degree: Open geometry problems

Open Geometry Problems

Gamification MindMap Index

Gamification Mind Map.

Open Pit Mining Art Index

Open Pit Mining Art

Solid Geometry

Dynamic Geometry.

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 Problem 1494

Geometry Problem 1494.
Parallelogram, Midpoints, Octagon, Areas.

Microsoft Visio Word Cloud

Microsoft Visio: Word Cloud.

Geometry Problem 1493

Geometry Problem 1493.
Four Squares, Parallelogram, Auxiliary Lines.

Geometry Problem 1492

Geometry Problem 1492.
Right Triangle, Altitude, Incenters, Angle, Measurement.

Geometry Problem 1491

Geometry Problem 1491.
Cyclic Quadrilateral, Diagonal, Incircle, Angle, Measurement.

Geometry Problem 1490

Geometry Problem 1490.
Triangle, Cevian, Incircle, Tangent, Measurement.

Geometry Problem 1489

Geometry Problem 1489.
Right Triangle, Angle Bisectors, Perpendicular, Measurement.

Geometry Problem 1488

Geometry Problem 1488.
Right Triangle, Altitude, Incircle, Tangent, Measurement.

Geometry Problem 1487

Geometry Problem 1487.
Right Triangle, Altitude, Incircle, Tangent, Measurement.

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.

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.

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 | Email | by Antonio Gutierrez
Last updated: Nov 27, 2022