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

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

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

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

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

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

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

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

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

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

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

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

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

Open Geometry Problems

Open Pit Mining Art

Geometry for Children, Kids.

iPad Apps for Geometry, Index.

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

Geometry in the Real World.

Geometric Art.

Theorems.

What's New, Recent Additions.

Software Index.

Dynamic Geometry.

Word Cloud or Tag Cloud Index
Weighted list in visual design

Mind Maps Index.

Classical Theorems.

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

Inca Gold, Mining in the World.
Index.

Brain Tools Index

Puzzles - Index

English (ESL) Index.

MindMap of Academic Disciplines
Academic Disciplines in motion.

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