Golden Ratio in an Irregular Pentagon, Construction I
The following construction has be devised by Bui Quang Tuan:
Let X, Y, Z be collinear, Y between X and Z, such that XY/YZ = φ, the golden ratio. Construct

What if applet does not run? 
Some properties of so constructed pentagon ABCDE are discussed elsewhere. There is an additional construction of pentagons of this kind.
Activities Contact Front page Contents Geometry
Copyright © 19962018 Alexander Bogomolny71746697