The drunk spider

A circle with several chords forming four coloured triangles. What is the proportion yellow : purple?

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The proportion yellow : purple is 1 : 1.

Solution by ricardpe.


The drunk spider
Climbs up the wall
He tries to hold And not to fall
The spider likes to be in the air
He spins a silky web
Taking care of the wind which blows
Than falls the rain
The drunk spider climbs up again
As he is hungry
He catches a fly
And wraps it like a mummy


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