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Intermediate

Pyramidion

A triangle containing a semicircle and an equilateral triangle. What fraction is golden?

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Solution

The golden fraction is √6/12, which is approximately 20,4%.

Solution by Jaihind Singh.

Poem

Pyramidion
A small pyramid
The capstone of an obelisk
Stone on stone
It reached it’s apex
A figure of beauty
Growing slowly slowly
To it’s acme
The highest point
To join
The son of Helios,
The sun deity
A point to reach in geometry
To built a polyhedron completely

Bella

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