Categories
Intermediate

The misfit

A rectangle is inscribed in a regular hexagon, covering 14/27 of its area. What is red : yellow : green?

Categories
Advanced

Cherry picking

Two quarter circles and a red circle tangent to two chords. What fraction is red?

Categories
Beginner

The night sky

A semicircle containing two equilateral triangles and a circle. What’s the yellow fraction?

Categories
Beginner

The parachute

A circular sector is divided as shown. What fraction is red?

Categories
Beginner

Move the earth

A square containing a semicircle, a tangent and a line segment from the tangency point. What fraction is green?

Categories
Intermediate

The orange fraction

A square containing a quarter circle and a red equilateral triangle. What’s the orange fraction?

Categories
Advanced

The maxbox

A square containing a red square of variable size sharing a vertex with a blue rectangle. What is the maximal blue fraction?

Categories
Beginner

The fried egg

Two concentric circles and two tangents. What is the yellow fraction?

Categories
Intermediate

The piercing

An equilateral triangle containing a right triangle and a line segment. What fraction is pink?

Categories
Intermediate

Boxed in

A square with an inscribed right triangle. What fraction is yellow?