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8.10 Parallelogram Sides
Author:
Daniel Ethier
Drag points A, B, C, and D to change the shape of the parallelogram.
GeoGebra
As you change the shape of parallelogram ABCD, do the lengths of opposite sides remain equal?
New Resources
Poorly Drawn Parallelograms 2
探究由平行線和截線所成的角
Droste effect
Quiz: Finding Average Rate of Change
Average Rate of Change: Graph a Function (1)
Discover Resources
Parametric Example 1
Best of GeoGebraTube
Step Two
funcions
Copie de Geometry (pool)
Discover Topics
Solids or 3D Shapes
Set Theory
Quadrilaterals
Multiplication
Poisson Distribution