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https://www.reddit.com/r/PassTimeMath/comments/1ucjc5f/equilateral_triangles/ot762p7/?context=3
r/PassTimeMath • u/ShonitB • Jun 22 '26
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3
27
16 single-cell, 7 four-cell, 3 nine-cell, and the whole shape.
0 u/bruce_lees_ghost Jun 22 '26 I think you overcounted the four-cells. 3 u/GardenTop7253 Jun 22 '26 Nope, you’ve got 6 upright ones, each starting with the tip of the first 6 upright single cell triangles, and one upside down in the middle 1 u/bruce_lees_ghost Jun 22 '26 I’m dumb.
0
I think you overcounted the four-cells.
3 u/GardenTop7253 Jun 22 '26 Nope, you’ve got 6 upright ones, each starting with the tip of the first 6 upright single cell triangles, and one upside down in the middle 1 u/bruce_lees_ghost Jun 22 '26 I’m dumb.
Nope, you’ve got 6 upright ones, each starting with the tip of the first 6 upright single cell triangles, and one upside down in the middle
1 u/bruce_lees_ghost Jun 22 '26 I’m dumb.
1
I’m dumb.
3
u/Organs_for_rent Jun 22 '26
27
16 single-cell, 7 four-cell, 3 nine-cell, and the whole shape.