Boxed in

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

Scroll down for a solution to this problem.


The yellow fraction is 7√3/18-1/3, which is approximately 34,0%.

Solution by ohmohm.


Boxed in
The triangle is framed
Like a work of art
Like a painting part
May be a honeycomb
Or a slice of sunshine
Sides and faces
In the protective frame
Are adjacent
Reassures and protects
The plan is deleneated
Triangulation can begin
A stability symbol


🤞 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Your email address will not be published.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)