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perimeter
Author:
cheng JJ
,
Tim Brzezinski
,
Steve Phelps
GeoGebra
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
畫出對稱圖形
算柱 (兩位數)
四邊形的特性
Discover Resources
擴分和約分
Equal chords cut off equal arcs in a circle
蛇行腳踏車
Cycloid
圓外冪性質
Discover Topics
Histogram
Scalene Triangles
Planes
Cylinder
Means