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Construct and Explore Tangents to a Circle

Author:Stephanie Harman Smith, GeoGebra Materials Team

Topic:Circle

New Resources

Writing and Graphing Proportional Relationships (k>0)
Perpendicular Lines: Quick Exploration
Linear Equation Graphs: Thin Slice
Midpoint Theorem (V2): Integer Solutions
Squares Question

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Start, Perpendicular to point on line
圓心角與圓周角的關係
cos x
Billiards on Ellipse 1
Quiz on Meaning of Solving Equations 解方程的含意：測驗

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Perimeter
Arithmetic
Optimization Problems
Cylinder
Equilateral Triangles

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