Two squares and a circle. The line through the big square centre and small square vertex is tangent to the circle. What is the red area?
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Little red square
Tag: square
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A walk in the park
Two squares sharing a vertex and a line segment. What’s the yellow area?
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Tumbler doll II
Three squares and a circle. The red point is a common intersection of two square sides and the circle. What is blue : green?
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The Pythagoras bug
Two blue squares and two red right triangles. What are the proportions of the triangle sides?
Author: Matthew Arcus.
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The Suresh triplet
Two squares share a vertex. What’s blue : green : orange?
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To the max
Two squares and two line segments. If the angle α is maximal, what is yellow : red?
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The film projector
A square and two congruent circles with three common tangents. What’s yellow : red?
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The douche cabine
A square containing three smaller squares and a quarter circle. What fraction is orange?
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Block play
Three squares and two perpendicular line segments. What is red : yellow : blue?
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Outside the hive
A regular hexagon and two squares. What’s the angle α?