The glass piece

A square and an overlapping isosceles triangle. What is the angle α?

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The angle α is 45°.

Solution by Quantum ( ? = ! ).


Stained glass
A masterpiece
Made by glassworkers
Glass sculpting geniuses
With gold in their hands
A magnificent refraction
A kaleidoscope of gems and coloration
Each piece of glass is clear
The light in culmination
The top of creation
Hold together by lead
The genious said


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