Triangle pqr was transformed to create the congruent triangle stu . which describes how triangle pqr could have been transformed ?
a)dilated by a scale factor of 2 and translated 3 units to the right

b)translated 2 units down and dilated by a scale factor of 3/2

c)rotated 90 degrees about the origin and reflected across the x - axis

d)reflected across the y - axis and dilated by a scale factor of 1/2