The side mirror

An isosceles triangle and an external point with three line segments. Prove that the red points form a cyclic quadrilateral.

Scroll down for a solution to this problem.


Solution by Hung Le Huu.


Side mirror
A wave sneaks up
In the long corridor
Drawn to the end of the black tunnel
Strange atmosphere of a mirror
Which reflects the light to be seen
The distances are reversed
The colours are reflected
The mystery remains with this side step


🤞 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Your email address will not be published.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)