Which polygons can be mapped onto each other by similarity transformations?
polygons 1 and 2
polygons 1 and 4
polygons 2 and 4
polygons 1 and 3
polygons 2 and 3
polygons 1 and 2
polygons 1 and 4
polygons 2 and 4
polygons 1 and 3
polygons 2 and 3