What is the sequence of transformations that maps △ABC to △A′B′C′? Select from the drop-down menus to correctly identify each step. Step 1: Choose... Step 2: Choose... Two triangles on the coordinate plane. Triangle A B C has vertex A at 7 comma negative 1, vertex B at 2 comma negative 3, and vertex C at 2 comma negative 1. Triangle A prime B prime C prime has vertex A prime at negative 3 comma 7, vertex B prime at negative 1 comma 2, and vertex C prime at negative 3 comma 2.