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圓周與直徑的關係
Author:
Anthony OR 柯志明
Topic:
Circle
,
Perimeter
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?
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