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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
Focus and Directrix
Perimeter of Rectangle
seo tool
Building Parallelograms with Set Areas
רישום חופשי
Discover Resources
Parallelogram Lab 2
Parallelogram Lab
Homework 1.3
Composition of Isometries
SSA Triangle Congruence
Discover Topics
Real Numbers
Optimization Problems
Integral Calculus
Frequency Distribution
Linear Programming or Linear Optimization