#maths #mathematics #geogebra #MathSky
http://mikkorahikka.blog/2026/03/09/kolmionelioiden-pinta-alalauseet/
This is a first attempt at categorising @catrionaagg.bsky.social 's puzzles by the techniques used to solve them.
My hope is that this makes it easier to use them in class.
https://notes.mathforge.org/notes/published/puzzles+by+topic