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#69 Squares, parallelograms on triangle 3
Author:
Doug Kuhlmann
Topic:
Parallelogram
,
Square
Move slider to see construction
GeoGebra
New Resources
Droste effect
探究由平行線和截線所成的角
Poorly Drawn Parallelograms 3
Quiz: Finding Average Rate of Change
Droste effect draft
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Forum_34339_A_PointIn_AreaCreatedByUserTool
Euler Line
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