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Copy of 圓周與直徑的關係
Author:
cs_cmb
,
Anthony OR 柯志明
拖拉綠點到適當位置,量度圓的直徑。 拖拉紅色的P點,將圓周拉直。透過細分刻度,量度圓周至
小數後兩個位
。如有需要,可使用放大、縮小及移動工具。 將直徑分別改為 2 cm、3 cm 及其他數值,量度圓周的長度。你有甚麼發現?
GeoGebra
柯志明 香港 GeoGebra 學院
orchiming@gmail.com
New Resources
Introduction
Rose Curve - A Classical Construction
Construct a Square
van Aubel's Theorem
Play C3 E3 G3 C4_C4
Discover Resources
Rectangle Template (Scaffolded Investigation)
Example 2
Decagon
Directional derivatives and Gradient
Modul 20-E1_Daud Ijarles Lebang_SMA Santo Paulus Manokwari
Discover Topics
Pie Chart or Circle Chart
Secant Line or Secant
Vectors 2D (Two-Dimensional)
Median Line
Interest Calculation