A rectangle inside a square. What fraction is yellow in terms of x?
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Brick oven II
Tag: fraction
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Spiegel im Spiegel II
A square containing a square with two extended sides. What is the blue fraction?
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Roll the dice
Two squares inscribed in a rectangle. What fraction is purple?
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Miracle multiplication with pentagons
Seven regular pentagons connect as shown. Show that C is the midpoint of the line segment FS.
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A slice of pie
A square and a semicircle with its centre and a tangent. What fraction is red?
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Paranoid centroid II
Two concentric equilateral triangles. D is the centroid of triangle AEC. What fraction is green?
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Under the volcano II
A square containing a quarter circle. What fraction is orange?
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Christmas star II
A regular hexagon and several line segments. What fraction is blue?
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The baptismal font
A square containing a square and a semicircle. What fraction is yellow?
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Flying wing crosses the setting sun
What is the red/green ratio of the solid intervals, in terms of the ratio of the dotted intervals?