question 1:
both have the same perimeter
5+5+5+5=20
8+8+2+2=20
question 2:
perimeter= 32
the area is 64cm^2
64 is a square number that is equal to 8 x 8
so that means the sides= 8
8+8+8+8=32
question 3:
perimeter 44
6+6+6+6=24
24+10=34
34+5+5=44
kinda waffled hope this makes sense!