### Home > CCA2 > Chapter 2 > Lesson 2.1.4 > Problem 2-58

2-58.

Examine the diagram at right. Imagine spinning the rectangle around the -axis. Think of a rectangular flap attached to the

*-axis so that the rectangle will revolve around the*

*-axis.*

Draw the resulting shape.

After the rotation, the resulting shape is a cylinder.

Find the volume of this shape.

Use the formula for volume of a cylinder,

Use the eTool below to help you visualize this shape.

Click the link at right for the full version of the eTool:*CCA2 2-58 HW eTool*