Through the roof

A semicircle with its centre. What is green : red in terms of the angles α and β?

Scroll down for a solution to this problem.


Green : red is sin2(α)/sin2(β).

Solution by ricardpe.

🤞 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Your email address will not be published.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)