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Question 1
Author:
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
New Resources
Dodecahedron
Variation Theory Parallelogram Proofs
Icosahedron
Exploring the Derivative of a Quadratic Function
Finding Average Rate of Change of a Function
Discover Resources
Graphing Secant Line to Approximate the Derivative
tally PC1
Crooked Stars
Finding a Specific Function
Goras Circle being tangent
Discover Topics
Vectors 3D (Three-Dimensional)
Pyramid
Exponential Functions
Straight Lines
Sphere