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Similar Triangles
Author:
Mr. Yuen Kwan Hung
,
stampinpost
The similar triangles ABC and ADE were created by selecting a point on side AB and constructing a line parallel to BC.
GeoGebra
Drag any vertex of triangle ABC to change the triangle or drag D to change the size of triangle ADE.
New Resources
Exploring the Derivative of an Exponential Function
Explore the invariant lines of matrix {{-2,5},{6,-9}}
What is an Isogonal Conjugate?
Quiz: Finding Average Rate of Change
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Angle at the centre (page 3)
Z Scores vs N(mu,sigma)
The Love Equation
Lesson 2.A.2
Altitude Daniel Munoz
Discover Topics
Statistical Characteristics
Step Functions
Integers
Vectors 3D (Three-Dimensional)
Special Points