Two overlapping regular pentagons share two vertices. What fraction is the overlap area?
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The bishop’s hat
Tag: fraction
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The leaning tower
A trapezium with it’s diagonals. Two areas are given. What faction is coloured?
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The rolling mill
A rectangle with a semicircle, a quarter circle and a common tangent. What fraction is blue?
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Three stories
Six squares and a diagonal. What fraction is orange?
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Darth Vader
A regular hexagon containing three diagonals and three congruent circular arcs. What fraction is black?
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The green field
A square is divided in two quadrilaterals of given area. What fraction of the square’s perimeter is red?
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The hourglass
A rectangle with two crossing line segments. What’s the minimal shaded fraction?
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The ramp
A right triangle is split in two. What is the maximum yellow fraction?
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The Eye of Horus
A semicircle containing two equilateral triangles containing a circle. What fraction is blue?
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The crane
A triangle with an inscribed square. What fraction is yellow?