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

Categories

geometry puzzles to train your brain

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

Categories

- Post author By Rik
- Post date August 5, 2022
- 6 Comments on An irregular tiling

A triangle divided by three line segments. What fraction is blue?

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

An equilateral triangle with two line segments crossing exactly on the semicircle. What is the proportion red : green?

- Tags circle, length, proportion, triangle

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

- Tags length, proportion, square

Categories

- Post author By Rik
- Post date August 1, 2022
- No Comments on 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?