Answer:
You are correct, it is B.
Step-by-step explanation:
slope:-3 y-intercept 12
1728
2r h
2(11) × 14
968
B=
B=11^2 =121
S=2rh + 2
S=968 +2 x 121
S=968 +242= 1728
Answer: ak=6•3k-1