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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
Slope of a Straight Line: Run and Rise
Stairs (Optical Illusion)
Witch of Agnesi - A Classical Construction
"Compressed" Astroid as Envelope
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Sections of 3D Shapes
Distinct values
A Hole
Example 3
The Tangent Ratio
Discover Topics
Standard Deviation
Isosceles Triangles
Logarithm
Quadrilaterals
Rhombus