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Parallelogram Area

Move point A or point B to create a parallelogram of your choice. Drag point K to the extreme right of the segment.
1.) What is the relationship between the area of the original figure (parallelogram) and the area of the resulting rectangle? 2.) In terms of b and h, what is the area of the rectangle? 3.) Based on questions 1 and 2, what conjecture can you make about the two figures? More than 50 GeoGebra Tutorials at Math and Multimedia

What is the area of a parallelogram whose base is b and height is h?