Carom billiards

Three congruent circles have a common intersection. Prove that the red intersection is the orthocentre of the triangle.

Scroll down for a solution to this problem.


Solution using that congruent chords in congruent circles subtend equal angles.


Please find here the video solution: Video: Carom billiards.

🤞 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Your email address will not be published.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)