A square and two congruent circles with three common tangents. What’s yellow : red?
Tag: square
The douche cabine
A square containing three smaller squares and a quarter circle. What fraction is orange?
Block play
Three squares and two perpendicular line segments. What is red : yellow : blue?
Outside the hive
A regular hexagon and two squares. What’s the angle α?
A fair division II
Two squares sharing a vertex, a diagonal and a line segment. Prove that the two angles are congruent.
The meeting point
Two squares and an equilateral triangle. The three red line segments meet in a point. What is the yellow fraction?
Draw the line
A square and an equilateral triangle inside a right triangle. Prove that the three red vertices are collinear.
Another angle
Three congruent squares share three vertices. What’s the angle α?
Voting eccentric
A square with a circle and a tangent. The tangency point lies on the diagonal. What fraction is red?
The bike chain
A square containing a semicircle, a circle and two tangents. What’s the angle α?