iran-konkur 2020 Q130

iran-konkur · Other · konkur-riazi_1399_specialized_old-curriculum Volumes of Revolution Volume of Revolution about a Horizontal Axis (Evaluate)
130. The solid of revolution obtained by rotating right triangle $ABC$ with legs $AB$ and $AC$ of lengths 5 and $2\sqrt{6}$ respectively, one unit about the axis passing through vertex $C$ and parallel to side $AB$, is:
  • [(1)] $60\pi$
  • [(2)] $70\pi$
  • [(3)] $75\pi$
  • [(4)] $80\pi$

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\textbf{130.} The solid of revolution obtained by rotating right triangle $ABC$ with legs $AB$ and $AC$ of lengths 5 and $2\sqrt{6}$ respectively, one unit about the axis passing through vertex $C$ and parallel to side $AB$, is:

\begin{itemize}
    \item[(1)] $60\pi$
    \item[(2)] $70\pi$
    \item[(3)] $75\pi$
    \item[(4)] $80\pi$
\end{itemize}



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