The blueprint for the perimeter of a bank vault is shown at
right. Add the lengths of all
sides to get the perimeter of
this vault.
D
Another plan would use the
following four points as corner
points of the vault:
(-4,-8), (3, -8), (3,9), (-4,9).
B
How much bigger is the
perimeter of the second plan
than the first? Enter the
difference to advance.