A circle with several chords forming four coloured triangles. What is the proportion yellow : purple?
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The drunk spider
Tag: proportion
A triangle is divided in three smaller triangles. What is the proportion yellow : green?
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Two square pegs
Two squares and a circle. What is the proportion a : b?
A rectangle with two congruent circles, a semicircle and a common tangent. What is the proportion of side lengths a : b?
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The rising sun
A rectangle with a circle and a semicircle. What is the proportion red : blue in terms of a and b?
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The flying saucer
A quarter circle with four chords. What is the proportion purple : gold?
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Missing pieces
A rectangle is divided in six similar triangles. What is the proportion green : yellow : red : blue?
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The root cause
A square and an equilateral triangle are divided in several polygons. What is the proportion yellow : blue?
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And counting
A triangle containing an altitude and the inscribed circle. One tangency point is shown. The red line segments have equal length. What is the proportion of the triangle sides a : b : c?
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Protection
Two coloured squares inside a triangle inside a square of side length a. What is the length proportion a : b?