# 007B Sample Midterm 3, Problem 4

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Find the volume of the solid obtained by rotating the region bounded by  ${\displaystyle y={\sqrt {\sin x}},~0\leq x\leq \pi ,}$  and  ${\displaystyle y=0}$  about the  ${\displaystyle x-}$axis. Sketch the graph of the region and a typical disk element.