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Use the theorem of Pappus to find the volume of a torus (pictured here). Assume that a disk of radius a = 3 is positioned with the left end of the circle at x = b = 7, and is rotated around the y-axis. Volume = Preview Write as an exact expression. Use pi for π.

Use the theorem of Pappus to find the volume of a torus (pictured here). Assume that a disk of radius a = 3 is positioned with the left end of the circle at x = b = 7, and is rotated around the y-axis. Volume = Preview Write as an exact expression. Use pi for π.

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Use the theorem of Pappus to find the volume of a torus (pictured here). Assume that a disk of radius a = 3 is positioned with the left end of the circle at x = b = 7, and is rotated around the y-axis. Volume = Preview Write as an exact expression. Use pi for π.

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