The purple square

A regular octagon of side length 2 with two diagonals and a square. What is the purple area?

Scroll down for a solution to this problem.


The purple area is 10.

Solution by Rony Sarker.


The purple square
Purple spots
Like a tawny paint
Like the purple of satin clothes
Like purple pearls
Like an impressionist paint
A rainbow
Spotted with pastel
Arranged like a colour chart
Blood flows through the capillary magma
And the cellular fragments


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