Using the formula:

Which is, 3.14 x 2^2 (radius is half of diameter)
Which equals 12.56.
Correct Answer: They are assigned to work as laborers in a factory at another camp, Buna.
(SOURCE) I took the test, and got this answer correct.
I hope you have fun in your readings.
1) endothermic
2) exothermic
3) exothermic
4) endothermic
5) endothermic
6) endothermic
7) Evaporating liquid water
8) Photosynthesis
Answer:
I have learned that you need to study and do your homework to pass highschool. I also learned that you need to ask for help when needed, if you don't you could face really big problems in school.
Explanation: