Question

A ............... is a set of 5 square joined along their side.
[pentomino,hexomino]​

Answer 1

Answer:

A pentomino is a set of 5 square joined along their side.

Answer 2

Answer:

A pentomino (or 5-omino) is a polyomino of order 5, that is, a polygon in the plane made of 5 equal-sized squares connected edge-to-edge. When rotations and reflections are not considered to be distinct shapes, there are 12 different free pentominoes. When reflections are considered distinct, there are 18 one-sided pentominoes. When rotations are also considered distinct, there are 63 fixed pentominoes.

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