How Any Triangle Can Be A Rep 4 Tile?

How Any Triangle Can Be A Rep 4 Tile? Every square, rectangle, parallelogram, rhombus, or triangle is rep-4. Are all triangles Rep tiles? All triangles and parallelograms are rep-4 tiles. Besides these obvious examples, a great number of rep- tiles are known. We will review in this paper all known rep-4 convex polygons and a