Question

Triangle ABC is a 45 degree-45 degree-90 degree in a sphere such that B is the center of the sphere and A and C are points on the sphere. Given the hypotenue of (trangle)ABC is 8√2 units, what is the surface area of the sphere?
A.) 320π square units
B.)85π square units
C.)256π square units
D.) 192π square units
The pic is there shown when you click on the question...Please help me