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Quadrilateral Family Tree
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Classroom Contents
Basic Properties of Geometrical Figures
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- 1 Congruence Transformations (1 of 3: Translation)
- 2 Congruence Transformations (2 of 3: Rotation)
- 3 Congruence Transformations (3 of 3: Reflection)
- 4 Shapes are simple... but mysterious!
- 5 Composite Transformations
- 6 Transformation & Rotation by Repeated Reflection
- 7 Reflectional Symmetry
- 8 Introduction to Rotational Symmetry
- 9 Orders of Rotational Symmetry
- 10 The Global/Historical Geometry Project (1 of 2: Euclid to Lobachevsky)
- 11 The Global/Historical Geometry Project (2 of 2: Einstein to today)
- 12 Equal Angles Opposite Equal Sides
- 13 Using Triangle Properties in Geometric Proofs
- 14 Quadrilateral Evolution (1 of 2: To the Parallelogram)
- 15 Quadrilateral Evolution (2 of 2: To the Square)
- 16 Using Quadrilateral Properties (1 of 2: Prologue about Proof)
- 17 Using Quadrilateral Properties (2 of 2: Example Proof)
- 18 Illustrating the Angle Sum of a Triangle
- 19 Congruent Figures (1 of 2: Introduction)
- 20 Congruent Figures (2 of 2: Transformations)
- 21 Rotational Symmetry
- 22 Quadrilateral Family Tree
