Question

someone help asap please
http://prntscr.com/ejgnvt

Answer 1

math?

Answer 2

yes geometry

Answer 3

okthis should be fun

Answer 4

working on it now

Answer 5

http://prntscr.com/ejgqod <something like this

Answer 6

okay and for question 3 and 4 would it be almost the same thing?

Answer 7

yes

Answer 8

okay thank you

Answer 9

if the radius is tripled then the circumference will be tripled also.
The area will increase by a factor of 3^2 , 9.