Answer / Step-by-step explanation:The way of arranging two triangles can lead to innumerable configurations, and here are some of those:Square: Joining any two right triangles along their hypotenuse.Rectangle: Joining any two triangles on the same side.Parallelogram: Any two triangles superimposed by their bases.Hexagon: Any combination of two equilateral triangles at one vertex.The shape depends on the orientation and the type of triangles used.Hope this helps