In Exercises 57 and 58, use the Second Theorem of Pappus , which is stated as follows
Chapter 7, Problem 58(choose chapter or problem)
In Exercises 57 and 58, use the Second Theorem of Pappus , which is stated as follows. If a segment of a plane curve is revolved about an axis that does not intersect the curve (except possibly at its endpoints), the area of the resulting surface of revolution is given by the product of the length of times the distance traveled by the centroid of . A torus is formed by revolving the graph of about the axis. Find the surface area of the torus.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer