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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
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bewijs stelling van Pythagoras
seo tool
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geogebra 2
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Construction Protocol for Adding Two Angles
Part 2: Circle with two secants or one secant/one tangent
TwoConstraints
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Geometry
Triangles
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Congruence