A regular pentagon and a square share two vertices. What’s the angle α?
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The three day stubble
Tag: square
Three squares are placed as shown. What fraction of the total area is green?
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The obstructed view
A rectangle and two squares of side length a and b respectively. What is the red area in terms of a and b?
A square containing a rectangle and a tangent quarter circle. What fraction is orange?
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The pine forest
A square containing a quarter circle. What’s the proportion blue : brown : green?
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The red sash
Two squares and a rectangle. What is area of the rectangle in terms of square sides a and b?
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The star gazer
A square divided by a diagonal and another line segment. What fraction of its area is purple?
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The Eightfold Path
A semicircle, a square and an isosceles triangle. What’s the angle α?
A semicircle, a square and a chord. If the square has area 32, what is the semicircle area?
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The chess board
A square is divided by six line segments. What fraction is brown?