Question 163420
L=W/2 IF THIS IS WHAT YOU MEANT TO SAY.
2L+2W=54
2(W/2)+2W=54
W+2W=54
3W=54
W=54/3
W=18 cm. IS THE WIDTH.
18/2=9 cm. IS THE LENGTH.
PROOF:
2*9+2*18=54
18+36=54
54=54