Answer:
perimeter: 90z+176
Step-by-step explanation:
perimeter = measure of all length sides
perimeter for this shape:
45z + 40 + 15z + 48 + 20z + 60 + 10z + 28
group terms like this ↓
45z+15z+20z+10z+40+48+60+28
addition of terms ↓
45z+15z+20z+10z+176
this is how final result would look ↓
90z+176