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平行四邊形的面積
Author:
Anthony Or 柯志明
Topic:
Parallelogram
GeoGebra
New Resources
Construct a Square
Simplifying Radicals: Geometric Thin Slice
Napoleon's Theorem
Cross Product in 2D and 3D
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Notch Design
day 90
Reflections Introduction
refe
Sine function simulation
Discover Topics
Scatter Plot
Terms
Surface
Incircle or Inscribed Circle
Trapezoid