Categories
Beginner

The blue lagoon

Five congruent brown triangles inside a rectangle. What fraction is brown?

Scroll down for a solution to this problem.

Solution

The brown fraction is 10/21.

Solution by Okan Atalay.

Video

Please find here the video solution: Video: The blue lagoon.

🤞 Don’t miss these puzzles!

Subscribe to the weekly geometry puzzle e-mail.

Leave a Reply

Your email address will not be published. Required fields are marked *

Optionally add an image (JPEG only)