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Pentominoes
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Pentominoes are a set of 12 shapes that have 5 squares or cubes with faces touching each other in every combination you can think of.They look like letters in the alphabet which are F, I, L, N, P, T, U, V, W, X, Y, and,Z.The challenge is you try to fit the 12 pieces into a rectangle. Solomon W. Golomb is said to have "invented" pentominoes in 1953. |
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There are 2 solutions to the 3*20 rectangle, 368 solutions to the 4*15 rectangle, 1,010 solutions to the 5*12 rectangle, and 2,339 solutions to the 6*10 rectangle. |
Pentominoes
Rubik's cube
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