A rectangle and two triangles. What’s the total area?
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A winter valley
Tag: rectangle
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The distant Alp
A rectangle containing five triangles. What fraction is brown?
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New Year 2021
Three squares are placed as shown. Given that the green areas are equal, what is the side length of the orange square?
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An Italian hill
Two semicircles inside a rectangle. What is the proportion of the red to the green area?
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Domino day
Three congruent rectangles consisting of two squares each are placed as shown. What is the blue area?
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The ace of diamonds
Four congruent right triangles form a rectangle. What fraction is red?
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The hunting horn
Two semicircles and four tangents. What’s the area of the orange rectangle?
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The rubber rotation
Two overlapping rectangles. What is the proportion of their areas? All triangles in the diagram are right.
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The warning triangle
An equilateral triangle contains three congruent rectangles. Two distances on its base are given. What fraction is white?
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The windshield wipers
A square and two rectangles, connected by two circular arcs, form a square. What is the proportion of the orange to the green area?