Friday, March 11, 2011

Why are circles so amazing?

Great link for further learning http://windowseat.ca/circles/


Just the Facts



  • The equation for finding the area of a circle is pie* radius squared
  • A circle has an infinite amount of lines of symmetry
  • They are the only one-sided shape with an area
  • A straight line is a circle with an infinite area
  • interior intersecting chords are proportional to each other

Also THIS!


Which is actually THIS! 


Circles can also be used for non mathematical things like music.


circle of fifths

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