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三角形的外心與外接圓
Author:
大園數學
三角形的外心是三條中垂線的交點,外心到三頂點等距離,此距離即為外接圓半徑。
GeoGebra
New Resources
長方體平面投影 (Codex版)
畫出對稱圖形
Nested spiral octagon
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
GeoGebra圖檔上傳
剪刀石頭布
圓與正方形中點軌跡1060317
Hamid Naderi Yeganeh Ellipse1
农大
Discover Topics
Dilation
Trigonometry
Statistics
Intersection
Circumcircle or Circumscribed Circle