Four equilateral triangles inscribed in a fifth one. What fraction of the latter is coloured?
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Solution
The coloured fraction is 7/12.

Poem
“Can we change the station
When you’re lost in light rotation
With your broken reputation
You’re not fast enough to keep up with me “(Tullycraft)
Why are the triangles lost
In rotation ?
Like a new dimension
Are they rotating like the
Lines in this poem?
Just to be in motion