A regular hexagon and two semicircles connecting vertices. What’s the angle α between the chords?
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The bubble chamber
![The bubble chamber](https://mirangu.com/wp-content/uploads/2021/11/BubbleChamber.jpg)
A regular hexagon and two semicircles connecting vertices. What’s the angle α between the chords?
A semicircle inscribed in a triangle inscribed in a semicircle. What fraction of the total area is blue?
A circle with three tangents and two squares. The accentuated vertex is a tangency point. What’s the angle α?
Two congruent equilateral triangles and two squares. What’s the angle α?
A quarter circle, a semicircle and a triangle. What’s the angle α?
Two squares sharing a vertex. What’s the angle α?
An equilateral triangle with three congruent squares. What’s the angle α?
Two regular pentagons share a vertex. What’s the angle α?
A square, a triangle and two equal angles. What is the angle α?
A triangle containing two tangent semicircles. What’s the proportion α : β?