The equation is simply 8s where s is the length of a side. There are 8 sides. You are just adding the length of all 8 sides together to get the perimeter.
2220000
it just means that 22.2 needs to be multiplied by 10, 5 times, so just move the decimal five to the right.
The answers would most likely be A,C,and B from my calculations
Don’t know ...............................
It would be 1.3 less than the other.
