tromino
Sign in to savethumb|200px|right|All possible free trominos A tromino or triomino is a polyomino of size 3, that is, a polygon in the plane made of three equal-sized squares connected edge-to-edge.
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Encyclopedic overview
6 sectionsContents
- Symmetry and enumeration
- Rep-tiling and Golomb's tromino theorem
- See also
- Previous and next orders
- References
- External links
thumb|200px|right|All possible free trominos A tromino or triomino is a polyomino of size 3, that is, a polygon in the plane made of three equal-sized squares connected edge-to-edge.
==Symmetry and enumeration== When rotations and reflections are not considered to be distinct shapes, there are only two different free trominoes: "I" and "L" (the "L" shape is also called "V").
Excerpted from Wikipedia’s “tromino” article, available under the CC BY-SA 4.0 licence.