Working on the making 7 congruent triangles from the pieces of a triangle dissection question I realized it's possible to do even better! So here it is for extra points:
Use six lines to cut a triangle into nine congruent triangles.
Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. It only takes a minute to sign up.
Sign up to join this communityWorking on the making 7 congruent triangles from the pieces of a triangle dissection question I realized it's possible to do even better! So here it is for extra points:
Use six lines to cut a triangle into nine congruent triangles.
https://i.stack.imgur.com/OTqhf.png
Saves some formatting tokens to not use a spoiler. It's just an image after all.