Pretty sure it would be A
Hello! The answer should be B: 6i

. Since the square root is above a negative, an imaginary number would come out. Because of this, you can easily recognize that it would be B.
However, if you can't, you could use the calculator to check (ignoring the negatives), 6

is equal to

.
The final answer should be B.
It's 150.8
If you ever need to find that, type into google "surface area of ____"
30 plus EF = 180
Ef = 150
circumscribed angle plus the central angle is 180
Answer:
6 times the value of 3,117 plus 724
Step-by-step explanation:
Hope that helps :)