127. In an equilateral triangle with side $2\sqrt{3}$ units, the volume of the solid obtained by rotating both shaded regions about the altitude $AH$ is which of the following? [Figure: Equilateral triangle with altitude AH and shaded regions (inscribed circle area)] (1) $\dfrac{4\pi}{3}$ (2) $\dfrac{3\pi}{2}$ [6pt] (3) $2\pi$ (4) $\dfrac{5\pi}{3}$ %% Page 22 Download Exam Questions from Riazisara Website \begin{flushright} Mathematics 120-C Page 5 \end{flushright}
\textbf{127.} In an equilateral triangle with side $2\sqrt{3}$ units, the volume of the solid obtained by rotating both shaded regions about the altitude $AH$ is which of the following?
\textit{[Figure: Equilateral triangle with altitude AH and shaded regions (inscribed circle area)]}
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(1) $\dfrac{4\pi}{3}$ \hfill (2) $\dfrac{3\pi}{2}$ \\[6pt]
(3) $2\pi$ \hfill (4) $\dfrac{5\pi}{3}$
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