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畫三角形 題3c
Author:
GeoGebra Institute of Hong Kong
Topic:
Triangles
GeoGebra
New Resources
錐體建築師
【案例】2013年安徽高考15题
找出對稱軸
画直线等分三角形的面积
拼砌四邊形
Discover Resources
切線段等長
斯坦納-雷米歐司(Steiner-Lehmus)定理證明一
光的折射（光线自右下向左上）
文創花燈
正方体、正四面体的外接球
Discover Topics
Congruence
Sequences and Series
Histogram
Mode
Angles