Answer:
[tex]l=\frac{A-\frac{1}{2} \pi w^2}{2w}[/tex]
Step-by-step explanation:
We essentially need to solve for l; in other words, we must isolate it to one side.
First, notice that the term [tex]\frac{1}{2} \pi w^2[/tex] doesn't have any l terms in it, so we can just move this to the left side by subtracting both sides by [tex]\frac{1}{2} \pi w^2[/tex]:
A - [tex]\frac{1}{2} \pi w^2[/tex] = 2lw
Now, the right side has 2lw, so we must divide both sides by 2w to isolate l:
[tex]l=\frac{A-\frac{1}{2} \pi w^2}{2w}[/tex]
~ an aesthetics lover
