The lemon slice

A semicircle is inscribed in a quarter circle. What is the minimal yellow fraction?

Scroll down for a solution to this problem.


The minimal yellow fraction is 3/8.

Solution by John Michael.


The lemon slice looks
Like a slice of the moon
Just try to eat it
You’ll taste it and like it soon
It’s nature is acid
And sour on the tongue
It’s juicy and fresh
People like it and enjoy it’s flesh
Lemon brings strength
In the soul for me
Well, it’s like a sunshine on a tree.


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