Please help me with this. Please answer correctly

Answer:
9.5 cm
Step-by-step explanation:
To find the perimeter we need to add up all of the side lengths which is 1 + 3.3 + 1 + 2.1 + 2.1 = 9.5 cm.
Answer:
Step-by-step explanation:
All you should do is to add the sides together :
2.1+2.1+1+3.3+1=9.5