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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
兩位數除以一位數（一）
找出對稱軸
兩位數加法
拼砌四邊形
異分母分數減法
Discover Resources
Triangle
長方體的切割(一)
ｔｏ郁捷
各種切圓
圓的基本性質
Discover Topics
Perimeter
Surface
Diagrams
Sequences and Series
Centroid or Barycenter