The square telescope

Three squares and four extended sides. What is the yellow area X in terms of blue and green areas A and B?

Scroll down for a solution to this problem.


The area X=B2/A.

Solution by ricardpe.

Visual solution

Solution without words by David Andriana.


Square telescope
Built for wide range of frequencies
With high performance and capacity
To survey the earth and the sky too
By focussing and zooming
The planets seem in my grasp
And so do the stars
In their immensity
It allows to study our Galaxy
It is the future of astronomy


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