Answer:
The 1st triangle with the coordinates of A'(3, 3), B(6, 3), and C(6, 6) would be 6 squares to the left and 6 squares up to the other triangle with the coordinates of A'(-3, -3), B'(-6, -3), and C'(-6, -6). The other triangle would be 6 squares to the right and 6 squares down to the 1st triangle.
Step-by-step explanation: