Answer:
2
Step-by-step explanation:
Between each term you are multiplying the previous term by 2, making 2 the common ration of the sequence.
Pretty sure the answer would be 1/A^4
Step-by-step explanation:
Try this process when you see a right triangle
A=s^2
121 =s^2
s= 11
perimeter= 4s = 4(11) =44 m