A horizontal flag is shown below. The radius of the outer semicircle is 4, while that of the inner semicircle is 3. Homework Help ✎
Imagine rotating the flag about its pole and describe the resulting three-dimensional figure. Draw a picture of this figure on your paper.
Find the volume of the rotated flag.
Imagine a hollow rubber ball. The rubber is 1-inch thick and the radius is 3 inches.
Volume = big sphere − small sphere