2 trapezoids have identical angle measures but different side lengths. Trapezoid 1 has side lengths 4, 2, 6, 2. Trapezoid 2 has side lengths 8, 4, 12, 4.
Which description is true about the transformation shown?

It is a dilation because the transformation is isometric.
It is a dilation because the transformation is not isometric.
It is a stretch because the transformation is isometric.
It is a stretch because the transformation is not isometric.