Two squares sharing a vertex and a line segment. What’s the yellow area?

# Tag: square

## Tumbler doll II

Three squares and a circle. The red point is a common intersection of two square sides and the circle. What is blue : green?

## The Pythagoras bug

Two blue squares and two red right triangles. What are the proportions of the triangle sides?

Author: Matthew Arcus.

## The Suresh triplet

Two squares share a vertex. What’s blue : green : orange?

## To the max

Two squares and two line segments. If the angle α is maximal, what is yellow : red?

## The film projector

A square and two congruent circles with three common tangents. What’s yellow : red?

## 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.