[tex]\\ \sf\longmapsto Area=LB[/tex]
[tex]\\ \sf\longmapsto 72=4.8L[/tex]
[tex]\\ \sf\longmapsto L=\dfrac{72}{4.8}[/tex]
[tex]\\ \sf\longmapsto L=15in[/tex]
Answer: Just find all whole number factors:
Step-by-step explanation:1x72, 2x36
3x24, 4x18
6x12, 8x9
Total 6 possible dimensions