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Think Logical!
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Syllabus
Teacher Introduction
Chp 1. Objects, Names, Diagrams
Chp 2. Inference
Chp 3. Proof
Chp 4. Congruence
Chp 5. Parallels
Chp 6. Inequality and Quadrilaterals
Chp 7. Similarity
Chp 8. Right Triangles
Chp 9. Circles
Chp 10. Area
Chp 11. Concurrency
Chp 12. Analytic Geometry
Final Reviews
Selected Proofs and Solutions
Definitions, Postulates, Theorems, Constructions
Two Truths and a Lie
The Myriad
The Course Zipped
Think Functional!
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Animations
Orthocenter
The Theorem of Ceva
Centroid
Incenter
Circumcenter
Converse VAT
Think Logical!
Converse VAT
Adjust the slider until opposite angles are equal. What do you find?
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