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Question 1
Autor:
Arthur Lee
圖中有一組藍色的線。移動紅點可改變其中一條線的角度。圖中可以出現最多幾多對互相垂直的藍線？
GeoGebra
答案：四對
Nuevos recursos
Building Parallelograms with Set Areas
Superellipse
Building Trapezoids with Set Areas
Pathway to Proof: Triangle Angles
Rolling Circles and Polygons
Descubrir recursos
Parallel Lines and Tansversals
Incenter
Ratio
Vectors: Magnitude & Direction (I)
NTI Water Park Project
Descubre temas
Recta Secante o Secante
Cuadriláteros
Álgebra
Correlación
Combinatoria