Answer:
Reflection and Dilation.
Explanations:
Transformation is the process of moving an object across the coordinate plane. These transformation techniques occur by dilation, translation, or reflection.
From the question, we are to show the sequence of transformations shows that ABCD is similar to EFGH,
Since the image EFGH is a mirror image of ABCD, this shows that reflection has occurred and the reflection is along the x-axis.
Also, the quadrilateral was dilated by a scale factor after the reflection. This dilation caused the object to increase in size and shape.
Hence we can conclude from the explanation above that the sequence of transformations that shows that ABCD is similar to EFGH is reflection and dilation.