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

11-104.

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*.

11-104.

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*.