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Copy of Triangular Number

Author:Ronan Downes, Alex CHIK
GeoGebra 互動數學教室 http://www.geogebra.hk

New Resources

  • 柱體建築師
  • 四邊形的特性
  • 四邉形 (四年級) 教師版
  • 【案例】2018年全国1卷理科12题
  • 兩組對邊相等和有直角的四邊形

Discover Resources

  • Equal chords and their distances from the centre
  • Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
  • 立體錯覺樓梯(使用透視法會稍有差距)
  • 各立體展開圖
  • 镂空菱形六十面体

Discover Topics

  • Cuboid
  • Geometric Mean
  • Interest Calculation
  • Functions
  • Kite
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