When applied to polygon QRST, which combination of transformations can be used to show that polygon QRST is congruent to
polygon KLMN?
a
a reflection across the y-axis followed by a reflection across the line y=1
The polygons QRST and KLMN are shown in the coordinate plane. When applied to QRST, which combination of transformations can be used to show that QRST is congruent to KLMN.