### Home > CALC > Chapter 11 > Lesson 11.3.1 > Problem 11-104

11-104.

**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 ✎1.127

1.271

1.721

2.171

2.711

The diameter of each semicircle is *y*/2.

The area of each semicircle is *π*(*r*^{2})/2.

The width of each cross-section is *dx*.