Answer:
the first one in the picture
Step-by-step explanation:
8x8x8x8=4096
9x9x9x9=6561
4096x6561=26873856
72x72x72x72=26873856
S = kpq 280 = k(5)(7) 280 = 35k 8 = k
C
358.5 sq-in
This is the answer.