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Perimeter
Author:
Janice Wong
,
Anthony OR 柯志明
GeoGebra
New Resources
三半圓間的相切圓(Codex╱2026.10.07)
伊朗國旗 (Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
美國國旗 (Codex 版)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
圓形與相似形
跑馬燈
圓方程式
P4周界
常见立体的展开图
Discover Topics
Straight Lines
Equilateral Triangles
Unit Circle
Matrices
Arithmetic Mean