Practice problem
Solve for lll if AAA and rrr are nonzero. A=r2lA=\frac{r}{2l}A=2lr
l=Ar2l=\frac{Ar}{2}l=2Ar
l=2Arl=2Arl=2Ar
l=2Arl=\frac{2A}{r}l=r2A
l=r2Al=\frac{r}{2A}l=2Ar
Type a concept, like “slope” or “photosynthesis”.
