Answer:
135
Explanation:
first of all, the units is meters, because that is what they are asking for and have written down in the diagram.
second, to find the perimeter you must add up the values of all the sides.
as shown by the diagram all of the sides are 27 each. and there is 5 sides.
you can add 27 to itself 5 times, or you could just do 27*5. =135.