alleryMaterial inside a cylindrical shell of radii R, r and altitude h equals:
AV = 2π (R - r) h
BV = π (R² + r²) h
CV = π (R² - r²) h
DV = 2π (R² - r²) h
Answer & Solution
Correct answer: C. V = π (R² - r²) h
Hollow cylinder volume is obtained by subtracting inner volume from outer volume.
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