Question 161427
2L+2W=PERIMETER
L=4W-2
2(4W-2)+2W=56
8W-4+2W=56
10W=56+4
10W=60
W=60/10
W=6 ANSWER FOR THE WIDTH.
L=4*6-2
L=24-2
L=22 ANSWER FOR THE LENGTH.
PROOF:
2*22+2*6=56
44+12=56
56=56