[问答题]
The complex numbers z and w correspondsg s 1m;z0)spd to the points A+8a 1a mzb 8jaxn7(uiuddmb:y b3( ;zh and B as shown on the diagram below.d(buhb1: a jmn (myd8ixz83a+; uza b7
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 .
