Select the Correct Answer for Each Question

Select the correct Answer for each question.
-Suppose you make napkin rings by drilling holes with different diameters through two wooden balls (which also have different diameters) .You discover that both napkin rings have the same height t as shown in the figure.Use cylindrical shells to compute the volume of a napkin ring created by drilling a hole with radius through the center of a sphere of radius and express theAnswer in terms of

A)
B)
C)
D)
E)