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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
seo tool
Assistants (custom GPTs or Gemini Gems) for Math
z`]]
巧算長方形周界
apec
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Twierdzenie Pitagorasa na płaszczyźnie
Interactive Graphing Inverse Sine Graphs
shadow - trigonometry
تحديد مثلث ذو اطوال معينة - fix object
Inequalities in Standard Form (Illustrator)
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Distributions
Upper and Lower Sum or Riemann Sum
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Geometric Transformations
Tree Diagrams