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GeoGebra
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Similar Triangles/Scale Factor
Author:
Rachel Casey
GeoGebra
New Resources
探究由平行線和截線所成的角
Droste effect
Blancmange curve (fractal)
Flip Flop
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
form
Sum Geo Project #2
Straight line with sliders
Finding Pi
calc project
Discover Topics
Kite
Subtraction
Variance
Cylinder
Equilateral Triangles