Answer:
[tex]\large\boxed{\pi=\dfrac{A}{r^2h}}[/tex]
Step-by-step explanation:
It's the fromula of a volume of a cylinder.
r - radius
h - height
[tex]A=\pi r^2h\qquad\text{divide both sides by}\ r^2h\neq0\\\\\dfrac{A}{r^2h}=\pi[/tex]