Categories
Beginner

The parrot

Two squares, a diagonal and a line segment. What is red : blue : green?

Categories
Intermediate

Boxed in

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

Categories
Intermediate

An equitable portion

A square, its diagonals and a right triangle. What fraction is green?

Categories
Beginner

The green deal

Three squares, one of which has a side length of 2. What is the green area?

Categories
Intermediate

Le Petit Nicolas

Two parallel squares with four line segments connecting opposing vertices. Prove that they pass through a single point.

Categories
Intermediate

Emerging from water

Two squares and an extended side. What’s red : green : pink?

Categories
Beginner

The movie film

Four squares and two shared vertices. What fraction is blue?

Categories
Beginner

The guylines

Two squares and an extended side. What’s the angle α?

Categories
Intermediate

The baby block

Two squares and an extended side. Prove that red : green = blue : yellow.

Categories
Beginner

The England win

A unit square containing two red overlapping congruent rectangles. If they cover exactly half the square’s area, what is their width x?