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A triangular region of area 20 with centroid at (102, 102) lies in the first quadrant of the y-plane. Use the Theorem of Pappus

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A triangular region of area 20 with centroid at (102, 102) lies in the first quadrant of the y-plane. Use the Theorem of Pappus to find the volume of the solid of revolution when the triangular region is rotated about the line with equation #+y=0.

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