Answer :
I hope this helps you
length =3.width
Perimeter =2 (length +width )
86=2. (w+3w)
43=4w
w=10.75
3.10.75=32.25
length =3.width
Perimeter =2 (length +width )
86=2. (w+3w)
43=4w
w=10.75
3.10.75=32.25