Answer:
9 cm
Step-by-step explanation:
The formula of a volume of a rectangle prism:
[tex]V=lwh[/tex]
l - length
w - width
h - height
We have V = 72 cm³, w = 2 cm and h = 4 cm. Substitute:
[tex](2)(4)l=72[/tex]
[tex]8l=72[/tex] divide both sides by 8
[tex]l=9\ cm[/tex]
