Textbook
Advanced Euclidean Geometry: Excursions for Secondary Teachers and StudentsJune 2008, ©2002

Advanced Euclidean Geometry fills this void by providing
a thorough review of the essentials of the high school geometry
course and then expanding those concepts to advanced Euclidean
geometry, to give teachers more confidence in guiding student
explorations and questions. The text contains hundreds of
illustrations created in The Geometer’s Sketchpad
Dynamic Geometry® software, and it is packaged with a CDROM
(for Windows®/Macintosh® formats) containing over 100
interactive sketches using Sketchpad™ (assumes that
the user has access to the program).
Introduction.
About the Author.
Chapter 1: Elementary Euclidean Geometry Revisited.
Review of Basic Concepts of Geometry.
Learning from Geometric Fallacies.
Common Nomenclature.
Chapter 2: Concurrency of Lines in a Triangle.
Introduction.
Ceva's Theorem.
Applications of Ceva's Theorem.
The Gergonne Point.
Chapter 3: Collinearity of Points.
Duality.
Menelaus's Theorem.
Applications of Menelaus's Theorem.
Desargues's Theorem.
Pascal's Theorem.
Brianchon's Theorem.
Pappus's Theorem.
The Simson Line.
Radical Axes.
Chapter 4: Some Symmetric Points in a Triangle.
Introduction.
Equiangular Point.
A Property of Equilateral Triangles.
A Minimum Distance Point.
Chapter 5: More Triangle Properties.
Introduction.
Angle Bisectors.
Stewart's Theorem.
Miquel's Theorem.
Medians.
Chapter 6: Quadrilaterals.
Centers of a Quadrilateral.
Cyclic Quadrilaterals.
Ptolemy's Theorem.
Applications of Ptolemy's Theorem.
Chapter 7: Equicircles.
Points of Tangency.
Equiradii.
Chapter 8: The NinePoint Circle.
Introduction to the NinePoint Circle.
Altitudes.
The NinePoint Circle Revisited.
Chapter 9: Triangle Constructions.
Introduction.
Selected Constructions.
Chapter 10: Circle Constructions.
Introduction.
The Problem of Apollonius.
Chapter 11: The Golden Section and Fibonacci Numbers.
The Golden Ratio.
Fibonacci Numbers.
Lucas Numbers.
Fibonacci Numbers and Lucas Numbers in Geometry.
The Golden Rectangle Revisited.
The Golden Triangle.
Index.
 First chapter includes brief, quick review of the essentials of basic high school geometry.

Remainder of text digs more deeply into advanced Euclidian Geometry (Euclidian geometries developed in the 19^{th} and 20^{th} centuries), which gives high school teachers a deeper understanding beyond the course they teach.

Nearly 100 illustrations created with The Geometer’s Sketchpad.

Student CD included with the text that has interactive versions of selected illustrations from the text so students can manipulate the sketches in order to see how geometric properties hold true.
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