APPROXIMATING THE AREA OF A CIRCLE

Instructions

So why does the area of a circle equal pi times the radius times the radius? Area = pi X r X r Area = pi X r² Experiment with this GeoGebra applet to find out.

New Resources

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Square Matrix Calculator
Weighing Scales: Lessons and Practices
Weighing Scales (g)
Erdős's problem #503, n=3

Discover Resources

Podudarnost SSS
Louvre Piramidi
rectangle
10.2.3a #942023 option B2
Task: Find the Centroid
Representing Ratios with Diagrams: IM 6.2.2

Discover Topics

Line Segment
Triangles
Multiplication
Pyramid
Circumcircle or Circumscribed Circle