Two perpendicular squares inside a circle. The circle centre is located on the side of one square. The line segment connecting two vertices has length a. What is the circle area?
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Solution
The circle area is πa2.

Poem
Squaring the circle
Can become a challenge in building
A drawing with compass for constructing
A figure in plain geometry
But squaring the circle could also be solving a problem
You know in advance it has no solution
Probably the blunt edges
Of our pre-square in contribution
