Quadrilateral Ħ' is the image of quadrilateral H after a sequence of transformations. If quadrilateral H' is congruent to
quadrilateral H, which transformations sould have been used?
O
a dilation by a scale factor of 2 followed by a reflection
O
a rotation followed by a dilation by a scale factor of 3
O
O
a reflection, a translation of 1 unit left, and then a dilation by a scale factor of 3
a translation of 6 units down, a rotation, and then a reflection