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蜘蛛網
Author:
Cathyyu920311
GeoGebra
New Resources
直角坐標平面上的旋轉變換
球體建築師
Nested spiral octagon
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
正n邊形的組合
for 學姊
maths1
小正多边形在大正多边形内的滚动（边长相等）
第八周作业2
Discover Topics
Polygons
Orthocenter
Square
Congruence
Correlation