A square and a circle. What is the green area?
Two squares of which three vertices form an isosceles triangle. What is the angle α?
Two squares share a vertex. What’s the proportion x : y in terms of side lengths a and b?
Three squares, two of which share a vertex. What is the total area?
A square divided by three line segments. What’s the proportion yellow : purple?
A square containing two overlapping equilateral triangles. What’s the length proportion a : b?
A square with its diagonal and a circle. If red is equal to blue, what’s the angle α?
A square with several line segments. What fraction is green?
A right triangle with a red and yellow square attached. Two circular arcs centered in the triangle vertices. What is the area of the orange rectangle in terms of red and yellow?
A unit square with an extended side immersed in another square. What is the area of the red triangle?