GeoGebra
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Circles

Author:
Duane Habecker
Topic:
Circle
All about pi, circumference, and area. Intended for students ages 11 - 14.

  • Finding pi

  • Rolling a circle to find pi

  • Circle circumference

  • Area formula for circles

  • Exploring with the area of circles

  • Practice: Using 3.14 to find area and circumference

  • Practice: Using 22/7 to find area and circumference

  • Estimating pi by rolling a circle

  • Approximating Pi with inscribed and circumscribed polygons

  • Archimedian Approximation of Pi

Next
Finding pi

Related Topics

  • Area
  • Perimeter
  • Polygons
  • Quadrilaterals
  • Special Points

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Discover Topics

  • Polygons
  • Special Points
  • Translation
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