Front Matter
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Preface
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Table of Contents
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A Quick Review of Elementary Euclidean Geometry
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The Elements of GeoGebra
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The Classical Triangle Centers
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Advanced Techniques in GeoGebra
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Circumscribed, Inscribed, and Escribed Circles
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The Medial and Orthic Triangles
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Quadrilaterals
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The Nine-Point Circle
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Ceva’s Theorem
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The Theorem of Menelaus
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Circles and Lines
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Applications of the Theorem of Menelaus
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Additional Topics in Triangle Geometry
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Inversions in Circles
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The Poincaré Disk
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References
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Index
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About the Author
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