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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
【案例】圆柱体内放置一个大球六个小球
異分母分數減法
画直线等分三角形的面积
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
單相感應電動機原理
平行四邊形
正十二面體內接正六面體旋轉
鸚鵡螺旋線
直线和圆的位置关系
Discover Topics
Geometric Mean
Quadratic Equations
Scatter Plot
Pyramid
Derivative