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CT4a

Author:D.Jayaseelan

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巧算長方形周界
Parallel Lines and Angles: Thinking Classroom Exploration
apec
Text with alpha background color
Perimeter of a Rectangle with Unknown Sides

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oblique and right pyramid - Cavalieri
explore sine
Fundamental Theorem of Algebra illustration
Velocity vs Displacement of Simple Harmonic Oscillation

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LCM and GCD
Fractal Geometry
Statistical Characteristics
Circumcircle or Circumscribed Circle
Similarity Transformation or Similarity

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