[问答题]
The complex numbers z and w correspond to the points A anj2w2o xl h4b t 7qgj*kap88)vgd B as shown on the n6o i8ft ; .5jjovzj-pdiagram belj85 ;j -oifnotz vpj6.ow.
1. Find the exact value of |z-w| .
2. 1. Find the exact perimeter of triangle A O B .
2. Find the exact area of triangle A O B .
