Volume of hollow cylinder (outer $R$, inner $r$, height $h$) is

Volume of hollow cylinder (outer $R$, inner $r$, height $h$) is
  1. $\pi(R^2-r^2)h$
  2. $\pi(R-r)^2 h$
  3. $2\pi(R-r)h$
  4. $\pi R^2 h - r^2$

Solution

Difference of volumes.

Asked in: MH-SSC-9

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