im sorry I want to help but it wouldnt load :'(
Answer:
a) 48 b) 132 c) 180 d) 228 e) 312
Step-by-step explanation:
diagonal is sqrt of (s^2 x 2)
8^2 = 64
64*2 = 128
sqrt(128) = 11.3137
round answer as needed
huh'?