A circle inscribed in a triangle inscribed in a semicircle. The line segment through two tangency points meets a radius at the semicircle circumference. What is the angle α?
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Blazing hot
Tag: angle
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The Eightfold Path
A semicircle, a square and an isosceles triangle. What’s the angle α?
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The crown
Three triangles have the same base. What is the top angle γ of the middle one in terms of the other ones α and β?
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Angles galore
Two triangles share a side. What’s the angle β?
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The bubble chamber
A regular hexagon and two semicircles connecting vertices. What’s the angle α between the chords?
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The blue wink
A semicircle inscribed in a triangle inscribed in a semicircle. What fraction of the total area is blue?
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Kindergarten
A circle with three tangents and two squares. The accentuated vertex is a tangency point. What’s the angle α?
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The dark lord
Two congruent equilateral triangles and two squares. What’s the angle α?
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The pointy shoe
A quarter circle, a semicircle and a triangle. What’s the angle α?
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Together we stand
Two squares sharing a vertex. What’s the angle α?