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Sum of Interior Angles of Polygons 多邊形內角和
Author:
Alex CHIK
Topic:
Angles
,
Polygons
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
直角坐標平面上的旋轉變換
四邉形 (四年級) 教師版
柱體建築師
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
Discover Resources
棋盤的 L 形覆蓋
Simple Interest 單利息
角内切圆
螺線相似正N邊形
多項式函數
Discover Topics
Geometric Mean
Straight Lines
Congruence
Triangles
Matrices