A rectangle with four line segments. What’s brown : blue?
The pink diamond
Two congruent rectangles inside a square. What fraction of the square is the rectangle overlap?
The consonant squares
Four squares and a rectangle. What’s the angle α?
The domino effect
Two overlapping congruent rectangles. What’s the angle α?
Squaring a rectangle
A regular hexagon, a square and a rectangle. What is the area proportion rectangle : square?
Star and stripes
Two concentric congruent squares and two red rectangles. What fraction of the total area is red?
The triangular tiling
A rectangle is divided into four similar triangles. What fraction is blue?
The righteous four
Four rectangles. The green and red rectangle are similar. What’s the area proportion of the orange and the blue rectangle?
A rectangle is inscribed in a regular hexagon, covering 14/27 of its area. What is red : yellow : green?
Five to twelve
A square and a rectangle share two vertices. If the square has twice the area of the rectangle, what’s the angle α?