A square is divided in two quadrilaterals of given area. What fraction of the square’s perimeter is red?
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The green field
Tag: fraction
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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?
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The balancing block
A rectangle inside a square. One of its sides is tangent to the quarter circle. What fraction is green as x approaches 0?
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Boxcars
Two regular hexagons share two vertices. What fraction of the area is purple?
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The traffic light
Two congruent circles and a triangle are contained in a circle. What fraction is coloured?
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The sailing boat
Three congruent right triangles. What fraction is shaded?
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The corner stone
Four squares inside another square. What fraction is yellow?