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triangle
作者：
wayand
move triangle corners around.
GeoGebra
最新資源
Pythagorean Theorem: Quick Illustrator
Isosceles Right Triangle
Pythagorean Theorem: Extension Exercises
What Do You See? (2)
Perpendicular Lines: Quick Exploration
探索資源
equilateral triangle
Sector2
Ex 2 Problem 1ca
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