# Equal Areas

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Slide the red M over the blue M. The bottom left shows blue minus red and the bottom right shows red minus blue. When the 2D slider is centered, nothing is left over in either case, so the two M's have the same area.

Contributed by: Jon Perry (April 2009)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Equal Areas"

http://demonstrations.wolfram.com/EqualAreas/

Wolfram Demonstrations Project

Published: April 28 2009