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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
拼砌四邊形
画直线等分三角形的面积
三位數除以一位數（一）
三位數除以一位數（二）
兩位數加法
Discover Resources
Section Curves (2)
Ex5D#3
Rolling Square
四邊形的邊長與限制
角錐及展開圖
Discover Topics
Trapezoid
Real Numbers
Numbers
Prism
Conic Sections