What is the area of sector BFC, in terms of pi? What is the length of arc AEB in terms of pi?

How can you decide witch operations to use to slice a two step equation

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Can someone me i’m confused. will give brainliest and a whole bunch of points