Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Regular Icosagon Phenomenon
Author:
Tim Brzezinski
Topic:
Geometry
The applet below contains a
regular icosagon (20-gon)
.
How can we formally prove
what is dynamically illustrated here?
Source: Another Math (FB)
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Cross Product in 2D and 3D
Drag that Point!
Witch of Agnesi - A Classical Construction
Stairs (Optical Illusion)
Discover Resources
Put Away the Toys (3, 4, 5 Nim)
Problem 119
Worksheet
Multiplication facts with partial products
function inverse
Discover Topics
Function Graph
Set Theory
Plane Figures or Shapes
Addition
Cosine