Video Segment |05:20

Video Segment |05:20

The ratio of a circle’s circumference to its diameter is the irrational number pi. See how mathematicians worked to prove that pi is a rational number by trying to “square the circle.”

©2005 Discovery Education| CC| Grade(s)

Related Topics

  • area
  • Aristophanes
  • circle
  • circumference
  • diagonal
  • diameter
  • equation
  • irrational
  • Lambert
  • pi
  • polynomial

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