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GeoGebra
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Archimedes (pi)
Author:
Earl Samuelson
GeoGebra
1) Enter number of sides in the box provided. 2) Press play in bottom left corner. 3) Observe ratio of perimeter to diameter. 4) Press reset (top right corner) and go back to Step 1.
New Resources
Parallel or Not? (V2)
Ellipse as Envelope - Correspondence Method
Isosceles Triangle: Quick Construction
Introduction
Cross Product in 2D and 3D
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Equations & Inequalities as Comparisons of Functions
quiz14a
function345
Statistics: Scatter Plots and the Line of Best Fit
convolution
Discover Topics
Derivative
Diagrams
Logarithmic Functions
Integers
Centroid or Barycenter