Vector A has a magnitude of 8.00 units and makes an angle of 45.0 with the positive

Question:

Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x axis. Using graphical methods, find (a) the vector sum A % B and (b) the vector difference A ─ B.