Geometry Text

Alfred Estberg, 2014年6月18日


  • 1. Rotation Symmetry
  • 2. symmetry question boxes
  • 3. symmetry question boxes
  • 4. Union Intersection Examples
  • 5. Union Intersection Examples
  • 6. Dilation
  • 7. Snowflake Kaleidoscope
  • 8. Kaleidoscope
  • 9. Kaleidoscope
  • 10. y=-2x+5
  • 11. HW y+2=1/2(x-7)
  • 12. Perpendicular Bisector
  • 13. Angle Measures
  • 14. AAS Challenge
  • 15. SSA Challenge
  • 16. AAA Challenge
  • 17. SSS Challenge
  • 18. Tessellation with Regular Polygons
  • 19. Rolling Coin 滾動的硬幣
  • 20. Volume of Pyramids - Chinese Proof
  • 21. Curved Surface Area of Cones (Combined Version)
  • 22. Rotational Symmetry of Cube
  • 23. 三角柱體的截面
  • 24. 探究正方體的截面
  • 25. Diagonal Problem
  • 26. Cut Triangles into Rectangles & Dudeney's Puzzle Generalized
  • 27. Area of Circles
  • 28. Equidecomposition of two parallelograms
  • 29. Cross Sections of a Rectangular Prism
  • 30. How to controll cube cross section?
  • 31. CCGPS AA 6.8.1 Example 2

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Rotation Symmetry

Change the degree measure to determine its rotational symmetry.
– Alfred Estberg

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