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Euclid Book IV Proposition 11-Construction of the Regular Pentagon
Author:
Moira Chas
,
Gary Rubinstein
Using a golden ratio to construct a regular pentagon
GeoGebra
The golden ratio leads to the golden triangle leads to a regular pentagon
New Resources
Making New Year's resolutions for 2026
GGB is Awesome!
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Average Value of a Function
seo tool
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External angles 2
AAS Congruence Step 2
Integral Project
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Boxplot
Scalene Triangles
Conic Sections
Incircle or Inscribed Circle
LCM and GCD