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Polygonal numbers

Author:Tung Chao
Topic:Numbers
Use triangular and square numbers to investigate number patterns

New Resources

  • 長方體平面投影 (Codex版)
  • 國旗 (Claude 版)
  • Earth with coastline
  • 找出對稱軸
  • 國旗 (作圖步驟直接餵給 Claude)

Discover Resources

  • 七彩之珠
  • Angles at the same segment
  • 正立方體與正三角錐
  • 孟氏定理 (Menelaus' theorem)
  • Copy of 劉徽的「割圓術」

Discover Topics

  • Vectors 3D (Three-Dimensional)
  • Symmetry
  • Isosceles Triangles
  • Parallelogram
  • Pie Chart or Circle Chart
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