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三角形內角和為180度

Author:范欣茹

New Resources

  • 判斷球體
  • 拼砌四邊形
  • 兩組對邊相等的四邊形
  • 算柱 (兩位數)
  • 直角坐標平面上的旋轉變換

Discover Resources

  • 正方體的反射對稱3
  • P6 圓周01A
  • [S2] a revised version of Jane’s GeoGebra file (modified by the author)
  • F1Ch8 Translation basic
  • 里约奥运火炬花环模型

Discover Topics

  • Algebra
  • Perimeter
  • Means
  • Integers
  • Multiplication
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