A blue square is topped with a right triangle. Using line segments to the top, a green quadrilateral is constructed with at least two right angles. What is the area proportion green : blue?
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The attic room
Tag: area
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The rocking cradle
A semicircle and an interior circle are tangent to each other. The chord towards the tangency point is divided in segments of length 1 and 2. What is the pink area?
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The final countdown
A right triangle is divided in three right triangles. What is the area proportion A : B : C?
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The only way is up
Two squares and an equilateral triangle. If the yellow area is 1, what is the blue area?
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The colour of spring
A square with a diagonal and a right angle. Two areas are given. How large is the pink area?
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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?