11.9
i just got it right on a quiz so yeah
Answer: DO you have any options that can help me answer it?
Step-by-step explanation:
I think group 1 if it is wrong then write is comment box
ratio of perimeter is the same as ratio of sides so perimeter would be 1:4
since area is in square units you need to square the ratio (1:4)^2 which is 1:16