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GeoGebra
GeoGebra Classroom
GeoGebra
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Normal to an ellipse
Author:
Patrick Cobb
Topic:
Ellipse
GeoGebra
New Resources
Quiz: Vertical Angles and Linear Pairs
Level Curves
Angles of Intersecting Lines
Graph of y = a(x − h)² + k
bewijs stelling van Pythagoras
Discover Resources
Inscribed Angle
Soccer
Yale
单调增减区间动图
Qtr1 Project: GeoGebra (Example)
Discover Topics
Optimization Problems
Differential Equation
Rectangle
Diagrams
Vectors 2D (Two-Dimensional)