Two regular pentagons share a vertex. What is the proportion red : green?
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Solution
Red : green is φ=(1+√5)/2.

Poem
Object of the day
The tie
Some are
Against
Some are for
Let’s talk about dress code
For politicians
Or for public persons
There are ties with knots
Or security clips
It competes with bow tie
It is said to be a symbol
Of bureaucraty
Of phallocracy
Even for beauty
