Answer:
8 inches
Step-by-step explanation:
Use formula
[tex]\text{Area of the rectangle}=\text{Width}\times \text{Length}[/tex]
for the area of the rectangle.
Given
[tex]\text{Area of the rectangle}=32\ in^2\\ \\\text{Width}=4\ in,[/tex]
then
[tex]32\ in^2 =4\ in\times \text{Length}\\ \\\text{Length}=\dfrac{32\ in^2}{4\ in}=8\ in[/tex]