The open roof

A regular hexagon with two line segments at right angles. What is the minimum of yellow : red?

Scroll down for a solution to this problem.


The minimal yellow : red is 3/2+√6.

Solution by Konstantopoulos_I.


Please find here the video solution: Video: The open roof.

🤞 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Your email address will not be published.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)