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Tangent and radius are perpendicular
Author:
GeoGebra Institute of MEI
Topic:
Circle
GeoGebra
New Resources
繪畫垂直線
Slope Illustrator (2)
Linear Equation Graphs: Thin Slice
Perpendicular Lines: Quick Exploration
Parabolas, Lines and Nomograms
Discover Resources
Rotations
GerardoCTriForm
Quadratic Equation in Vertex Form
Soma Cube
Lampshade 2 (AR Modeling Challenge)
Discover Topics
Symmetry
Kite
Vectors 3D (Three-Dimensional)
Limits
Pie Chart or Circle Chart