A regular octagon with two diagonals and a square. Prove that the four red points are concyclic.
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Solution
![](https://mirangu.com/wp-content/uploads/2024/02/CeilingLampSolution.jpg)
Video
Please find here the video solution: Video: The ceiling lamp.
A regular octagon with two diagonals and a square. Prove that the four red points are concyclic.
Scroll down for a solution to this problem.
Please find here the video solution: Video: The ceiling lamp.
A regular octagon with two diagonals and a square. Prove that the four red points are concyclic. https://t.co/2JLlJ2VHcw Inspired by @puzzlist pic.twitter.com/eyJIMSwCpN
— Mirangu (@Mirangu1) February 9, 2024