A triangle with two altitudes and a circle centred in their intersection. Prove that the red line segments are parallel.
Scroll down for a solution to this problem.
Solution
![](https://mirangu.com/wp-content/uploads/2024/01/MarbleTrackSolution.jpg)
Video
Please find here the video solution: Video: The marble track.
A triangle with two altitudes and a circle centred in their intersection. Prove that the red line segments are parallel.
Scroll down for a solution to this problem.
Please find here the video solution: Video: The marble track.
A triangle with two altitudes and a circle centred in their intersection. Prove that the red line segments are parallel. https://t.co/JZGM38F8mX Inspired by @ChrisWildhagen pic.twitter.com/viuEqjuyJR
— Mirangu (@Mirangu1) January 12, 2024