Going halfway

A regular hexagon contains a diagonal, a green equilateral triangle and a red triangle. Prove that the latter is isosceles.

Scroll down for a solution to this problem.


Solution by Amaresh G S.

Note that this solution uses SAS to prove congruence of triangles ABG and AOH.

🤞 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Your email address will not be published.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)