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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
Constructing an Inscribed Equilateral Triangle + Activities
Constructing Equilateral Triangles + Activities
Monge's Theorem
Proving Triangles Congruent (2): One Step Transformations
Pendulum Snake
Discover Resources
Spherical Geometry (24 August 2016)
Vind alle cirkels
Altitude
day 118
การบวกจำนวนเต็มด้วยแผนภาพ
Discover Topics
Rhombus
Calculus
Expected Value
Polynomial Functions
Confidence Interval