Please help ASAP ! Find the expressions for the perimeter of these shapes.

Answer:
Quest 1. P = 3xat2 + 4yat2 + 11xy
Quest 2. P = 7xat2 + 21x + 5y + 5
Step-by-step explanation:
Note: Perimeter, P is the total sum of the distance round about an object. that at symbol cant be used here.so.am.using at2 for squared