Question

length=x breadt=y+4 perimeter =84

Answer 1

Step-by-step explanation:

I hope it is useful to you .

Answer 2

Answer:

hey mate ur answer is 19.

Step-by-step explanation:

P=2(l+b)

84=2(x+y+4)

84=2x+2y+8

4xy=84-8

4xy=76

xy=19

so length is 19 and breadth is y +4=19+4=23

hope it helps u please mark as brainliest