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Projection
Author:
Jia-ming Shiu
Projection
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
找出對稱軸
直角坐標平面上的旋轉變換
Discover Resources
點與直線距離、直線與直線距離
congruent (SSS) 5
Locus (Segment)
Tangent perpendicular to radius
拋物線2-焦點法
Discover Topics
Boxplot
Centroid or Barycenter
Kite
Unit Circle
Circumcircle or Circumscribed Circle