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Poorly Drawn Parallelograms
Author:
Steve Phelps
Topic:
Parallelogram
Is the poorly drawn (but correctly marked) figure a parallelogram. Drag the slider to reveal one quadrilateral at a time.
GeoGebra
New Resources
Exploring the Derivative of a Quadratic Function
Poorly Drawn Parallelograms 3
Poorly Drawn Parallelograms 2
Icosahedron1
Exploring the Area of a Triangle
Discover Resources
start, create right isosceles triangle
Kolton Gohlke
page 361
N 534
inner isoptic of an ellipse
Discover Topics
Circle
Expected Value
Derivative
Volume
Symmetry