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三角形三邊關係
Author:
曾己泉
使學生了解三角形邊長關係
GeoGebra
New Resources
百分數及其應用
三角函数 的副本
龙形曲线-分形龙
圓周公式的應用
科氏力 (Coriolis Force)
Discover Resources
圖解定理公式與切割組合
Percentage（百分法）
Angle Sum of Triangle
How to draw a triangle with ruler and compasses?
Ext angle cyclic quad
Discover Topics
General Quadrilateral
Definite Integral
Quadratic Functions
Cuboid
Symmetry