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G9 Ch.9 Lines and Centres of a Triangle
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G9 Ch.9 Lines and Centres of a Triangle
Author:
Ivan Chan
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New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Tutorial: Zip command
Addition of Vectors
Thin Slice: Arc Length & Sector Area
Blancmange curve (fractal)
Discover Resources
Dilation Terms
General Sample Size Problems
Circle Geometry example with radii
Active Calculus Activity 1.1-1.3
Hình trụ nội tiếp hình lập phương
Discover Topics
Vectors 3D (Three-Dimensional)
Quadratic Equations
Scatter Plot
Unit Circle
Upper and Lower Sum or Riemann Sum