Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
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
bewijs stelling van Pythagoras
Reflection = 180° Rotation about a Line
Making New Year's resolutions for 2026
အခြေခံ data အခေါ်အဝေါ်များ
seo tool
Discover Resources
Sine Law Fishing Rod
euclid_el_06_η
Unit2L3 quiz #5
Perez_B3_Translations
Transformations of the Cosine Graph
Discover Topics
Vectors 2D (Two-Dimensional)
Rectangle
Logarithm
Sphere
Function Graph