Answer:
   D'(-2, 5), E'(3, 5), F'(3, 3), G'(-2, 3)
Step-by-step explanation:
Adding (-1, 2) to each of the coordinates gives ...
   D +(-1, 2) = (-1-1, 3+2) = D'(-2, 5)
   E +(-1, 2) = (4-1, 3+2) = E'(3, 5)
   F +(-1, 2) = (4-1, 1+2) = F'(3, 3)
   G +(-1, 2) = (-1-1, 1+2) = G'(-2, 3)