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congruent (SSA,RHS)
Author:
Ricky Chan
GeoGebra
New Resources
算柱 (兩位數)
兩位數除以一位數（一）
兩組對邊相等的四邊形
異分母分數減法
三位數除以一位數（二）
Discover Resources
小數加減
Similar triangles inscribed iteration400
圓周角觀察操作
Gradient of tangent
認識角度
Discover Topics
Parallelogram
Matrices
Straight Lines
Calculus
Geometry