Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
解析幾何:線對稱
Author:
leoM
A 和 A' 的中點 M = (A+A') / 2 而且 M 會在直線 L 上 我們先設法向量為 u 可以寫出: A' = A + t*u 所以 M = ( 2A + t*u ) / 2 再將 M 代入 L 的方程式中解 t 便可求得 A'
GeoGebra
New Resources
Volume by Disk/Washer around y
Reflection Across 2 Parallel Lines
Equation of Locus - Parabola
Volume by Shells Around y
Making New Year's resolutions for 2026
Discover Resources
Crescent
تمرين رقم 13 صـــ144 : المدرّس شادي سمعان
Congruence Through Transformations #1
Are Triangles Congruent? Task Assessment
Discover Topics
Trapezoid
Tangent Line or Tangent
Pie Chart or Circle Chart
Quadrilaterals
Tree Diagrams