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congruent (SSA,RHS)
Author:
Ricky Chan
GeoGebra
New Resources
三位數除以一位數（二）
柱體建築師
兩位數加法
找出對稱軸
画直线等分三角形的面积
Discover Resources
Trigonometric Ratios: Cosine & Tangent 三角比：餘弦和正切
二次函數
平行線的截線性質
探索三角函数的图像
Pyth. theorem
Discover Topics
Tangent Line or Tangent
Exponent
Sphere
Pythagoras or Pythagorean Theorem
Dilation