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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
Nous materials
Midpoint Theorem (V2): Integer Solutions
Isosceles Right Triangle
Function Art 3D - Flower
Angle Addition Postulate (V2) - Integer Solutions
Writing and Graphing Proportional Relationships (k>0)
Descobriu materials
Circumcenter
Валентина Дряничкина, 6Б класс. Проведи ось симметрии
Points of Intersection 30
Lines, Rays, and Segments
Exploration of Trigonometric Ratios
Descobriu Temes
Quadrat
Cilindre
Integral definida
Rectangle
Hipèrbola