The Golden Triangle

by Nikhat Parveen, UGA

 

The golden triangle is an isosceles triangle such that the ratio of the hypotenuse a to base b is equal to the golden ratio, a / b = Φ

Click here for GSP File construction.

 

From the above figure, this means that the triangle has vertex angle equal to -

 

    or 36.

This self-portrait by Rembrandt (1606-1669)... is an example of triangular composition. A perpendicular line from the apex of the triangle to the base cut the base in golden section.

 

 

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