The last wave

A square containing a quarter circle, a semicircle and a circle. What is the proportion blue : green?

Scroll down for a solution to this problem.


Blue : green = 1 : 1.

Solution by Dr Rick.


It is said it’s the last wave
But of which wave ?
It’s a wave that’s breaking over all
Taking everything in its path
It’s a viral tsunami
Sent from Covidie
We all hope for the end
A normal life will be sent
And stop at last this wave
No more masks
But kisses and shake hands


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