Hexagonal Tilings with Triangular Tiles

The diagram shows how identical equilateral triangles can be tiled to make a regular hexagon with no leftover tiles.

Which of the following numbers of triangles can also do this?

Regular hexagons can be made with 6 tiles, 24 tiles, and 54 tiles.

Regular hexagons can be made with 6 tiles, 24 tiles, and 54 tiles.

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