Categories
Beginner

Twin peaks

A rectangle with three line segments. What is the proportion yellow : red?

Categories
Intermediate

Distant peaks

Two isosceles triangles and a right angle. What is the proportion green : gold?

Categories
Intermediate

The Lion King II

A regular hexagon and three squares. What is the proportion yellow : brown?

Categories
Beginner

The yellow sailboat

A square, two equilateral triangles and an extended side. What is the proportion yellow : blue?

Categories
Beginner

Mondriaan II

A square contains three squares (black sides), one of which has an extended side (blue). What is the proportion yellow : blue?

Categories
Beginner

Seventies tipi II

A triangle containing two tangent semicircles. What’s the proportion α : β?

Categories
Beginner

Mount Fuji

An equilateral triangle inscribed in a circle is divided by a diameter parallel to one of it’s sides. What is the proportion light : dark blue?

Categories
Beginner

The stained glass

Two congruent rectangles are placed side by side. Two line segments form two coloured quadrilaterals and three triangles. What is the proportion purple : green?

Categories
Intermediate

Tilted hourglass II

Two equilateral triangles inside a square. What’s the proportion green : orange?

Categories
Intermediate

The hot-air balloon

Two circles, four tangent line segments and a square. What’s the proportion red : blue?