The answer is b because you can divide them by 2 to get the answer<span />
5280ft = 1mile
13,000ft = 2.46miles 8,000ft = 1.52 miles
2.46 x 1.52 = 3.7 miles^2
The third fin is the answer.
Instructions is that you should choose C girl! I’m not accurate but that looks right
Multiply the two base values 8 and 20 to get 8*20 = 160
Then apply the square root and simplify
sqrt(160) = sqrt(16*10) = sqrt(16)*sqrt(10) = 4*sqrt(10)
Answer: Choice C