Answer:48 square inche
Step-by-step explanation:
Length(L)=3 x width(W)
L=3xW
Perimeter(p)=2L+2W=32
2L+2W=32
substitute L=3xW in 2L+2W=32
2(3xW)+2W=32
6W+2W=32
8W=32
Divide both sides by 8
8W/8=32/8
W=4 width=4
Substitute w=4 in L=3xW
L=3x4
L=12 Length=12
Area=length x width
Area=12 x 4
Area=48
