Proximity alert

Author:Jonathan Holland

The point is colored based on whether it crosses within a given radius of the origin. This is based on a test of the magnitude of the vector u, Length(u).

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Reflection across a line
Triangle with 3 Right Angles
רישום חופשי
Reflection Across 2 Parallel Lines
Volume by Disk/Washer around y

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NigrovicB_construction.ggb
Sine, cosine, and tangent of a right triangle.
VivekMatta_TestingSimiliarityTheorems
Quadratic Equation
Inscribed Angles

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Terms
Area
Indefinite Integral
Trigonometric Functions
Addition