What is the angle α between the blue line and the baseline of the orange square?
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The heptagon square
Month: January 2024
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The star shaft
A square with an equilateral triangle. M is the triangle side midpoint. What is yellow : red?
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Needles and yarn
The purple yarn is stretched between the coloured needles approximately as shown, and the yarn is repositioned to make the shortest path of that type. What is the length ratio purple/green?
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A golden year
Two squares, a rectangle and a semicircle. What is yellow : green?