Scratching the surface

Three tangent semicircles and two coloured triangles. What’s the proportion yellow : green?

Scroll down for a solution to this problem.


Yellow : green is 1 : 1.

Solution by Bob Ruyle.

🤞 Don’t miss these puzzles!

Subscribe to the weekly geometry puzzle e-mail.

One reply on “Scratching the surface”

Leave a Reply

Your email address will not be published.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

Optionally add an image (JPEG only)