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

11-104.
  1. 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 ≤ xπ. The cross-sections perpendicular to the x-axis are semi-circles. Find the volume of the solid. Homework Help ✎

    1. 1.127

    2. 1.271

    3. 1.721

    4. 2.171

    5. 2.711

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.