As found in Example 7, the centroid of the region enclosed
Chapter 6, Problem 42E(choose chapter or problem)
Problem 42E
As found in Example 7, the centroid of the region enclosed by the x-axis and the semicircle lies at the point Find the volume of the solid generated by revolving this region about the line y = -a.
Reference: Example 7
Locate the centroid of a semicircular region of radius a.
FIGURE 6.58 With Pappus’s first theorem, we can locate the centroid of a semicircular region without having to integrate (Example 7).
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