### Home > CALC > Chapter 9 > Lesson 9.4.1 > Problem 9-108

9-108.

The region under *x ≤ a *for some *a > *1 is rotated about the line *y *= −1. If the volume of the resulting solid is 10*π* cubic units, what is the value of *a*? Homework Help ✎

9-108.

The region under *x ≤ a *for some *a > *1 is rotated about the line *y *= −1. If the volume of the resulting solid is 10*π* cubic units, what is the value of *a*? Homework Help ✎