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動圓的圓心軌跡為橢圓
Author:
Ho-Kai Chen
Topic:
Ellipse
拉動大圓上的N點, 觀察圖形的變化!
GeoGebra
New Resources
畫出對稱圖形
AI 訓練教室
拼砌四邊形
算柱 (兩位數)
Nested spiral octagon
Discover Resources
垂足三角形
歪斜線夾四面體
gct-c01-jc094v1-33 圓與長方形
紙幣
翰林B4習p85_10
Discover Topics
Ratios
Median Value
Angles
Tree Diagrams
Parametric Curves