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perimeter
Author:
Tmw
GeoGebra
New Resources
中華民國國旗 (Codex╱2026.10.06)
畫出對稱圖形
三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
摩天輪
真分數、假分數和帶分數
Tangent perpendicular to radius
椭圆的定义
立體測量：兩仰角
Discover Topics
Hyperbola
Circumcircle or Circumscribed Circle
Power Functions
Orthocenter
Logarithmic Functions