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Area of a Circle from Sectors
As the number of sectors increases, you can see that the area of the circle is equal to its radius multiplied by half its circumference.
Contributed by:
Stephen Wolfram
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Stephen Wolfram
"
Area of a Circle from Sectors
"
http://demonstrations.wolfram.com/AreaOfACircleFromSectors/
Wolfram Demonstrations Project
Published: April 22, 2013
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