Area of a circle, how to get the formula.

mathematicsonline
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Published on Mar 18, 2011

Read a more complete explanation here: http://pythagoreanmath.com/complete-e...

πr(squared) gives you the area of a circle, but where does it come from? Here is a simple explanation.

Reddit discussion about the video here: https://www.reddit.com/r/pythagoreanm...

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