Multiple Choice: The base of a solid is the region between the curve y = x sin x and the x-axis on the interval 0 ≤ x ≤ π. The cross-sections perpendicular to the x-axis are semi-circles. Find the volume of the solid. Homework Help ✎
The diameter of each semicircle is y/2.
The area of each semicircle is π(r2)/2.
The width of each cross-section is dx.