1. Chapter Two
Parallel Lines

2. Possible Applications of the Word Parallel
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3. Lines Cut by a Transversal
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4. Parallel Lines Cut by a Transversal
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5. Triangles Classified by Congruent Sides
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6. Triangles Classified by Angles
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7. Sum of the Measures of Interior Angles
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8. Convex Polygons
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9. Line Symmetry
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10. Point Symmetry
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11. Slide Transformation
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12. Horizontal Reflection
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13. Rotation
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