What sequence of transformations, when applied to △xyz , shows that △xyz is similar to △ x'y'z'? a)translation of 4 units down followed by a dilation with respect to the origin by a scale factor of 2 b)translation of 4 units down followed by a dilation with respect to the origin by a scale factor of 1/2 c)dilation with respect to the origin by a scale factor of 2 followed by a translation of 4 units down d)dilation with respect to the origin by a scale factor of 1/2followed by a translation of 2 units up