There is no description so I am not sure, however I believe it is C. Cytoplasm
Formula of circle:
C= 2πr
The radius is half of the diameter, so divide 9 by 2
18/2=9
Then plug in 9 as the radius in the formula.
C= 2π(9)
Using you calculator multiply 2 by the symbol "π" and 9
Exact Form is 18π
Decimal Form is 56.54866776...
I don't think that you finished writing the question
Answer:Ender's Game by Orson Scott Card is a novel that shows what would on in Africa, where most of the cases are coming from, need a little light shed on them. This is obviously wrong on so many levels, in real life and in the book.
