A circle containing three squares. What fraction is coloured?
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A fraction of 2/π is coloured.
Find here an animated solution by Ignacio Larrosa Cañestro.
Exist in the Solar System but not only
The moon is so famous
For lovers and poetry
For J. Keppler, the satellites accompany the travel through the heavens
Of the planets journey
Than Sputnik became a new terminology
For artificial objects mostly