A regular hexagon is folded back and forth along the dotted line. What fraction of the area is yellow?
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The bobline
Tag: fraction
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The horse’s head
Two congruent right triangles share a vertex. If the overlap represents 1/7 of the total area, what’s the angle?
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Mars rover has landed
Two semicircles and two right triangles. What fraction of the large triangle does the small one cover?
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Two hefty volumes
Two congruent rectangles inscribed in a square. What fraction of the area is blue?
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Mini and Maxi
Two squares of area 1 and 4 are inscribed in their own triangle and placed as shown. What fraction is coloured?
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Turning tables
Two squares share a vertex. What fraction of the area is the overlap region?
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The hanging door
Two congruent rectangles support a third rectangle. What fraction is blue?
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The kids windmill
Six congruent equilateral triangles placed inside a regular hexagon. What fraction is coloured?
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Who’s afraid of red, yellow and blue?
Three squares. The top line segment is variable in length. What’s the minimal blue fraction?
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The paper hat
A rectangle and several triangles. The orange triangle has the same area as the green trapezium. What’s the total coloured fraction?