Answer:
the perimeter is 21
Step-by-step explanation:
formula -
P = a + b + c + d you can find the length of your sides by looking at the units
P = 5 + 8 + 4 + 4 on the graph (just count how many squares makes the side
P = 21 you are looking for) ex: side a (the top line) is 5 units
