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FourSimilarRightTriangle
Author:
hjyanghj
GeoGebra
New Resources
Constructing the Perpendicular Line Through a Point Not on the Line
Proving Triangles Congruent (2): Multi-Step Transformations
Calendar Puzzle
derivatives of x^n
Rolle's Theorem
Discover Resources
What are the characteristics of trapeziums?
Step #16
Triangle out of three sides (SSS)
Bar Model Maker for Ratio 2
Animated inflation of Penrose darts-kites
Discover Topics
Orthocenter
Linear Equations
Centroid or Barycenter
Ratios
Arithmetic Mean