A visual proof by Kürschák that a regular 12-sided polygon inscribed in the unit circle has area 3. This means that estimating π to be 3 is like saying a circle is a Dodecagon.
Sunday, October 24, 2010
A visual proof that 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + ... = 1
