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perpendicular lines
作者：
Jessica Lefler
GeoGebra
最新資源
Building Triangles with Set Areas
Focus and Directrix
Parallelogram Anatomy
Rolling an Equilateral Triangle
Pathway to Proof: Triangle Angles
探索資源
Sum of Exterior Angles demo
fractions
Re-Assess Summative Differentiation and Integration
IM 6–8 Math
探索主題
柱體
角度
函數
矩形
球形