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A rectangular sheet of paper, 44 cm × 20 cm, is rolled along its length to form a cylinder. Find the volume of the cylinder so formed. |
Answer» Given, Dimensions of rectangular sheet = 44 cm × 20 cm When it rolled along its length: Radius of base = \(\frac{length}{2π}\) = \(\frac{44\times 7}{2\times 22}\) = 7 cm Height of cylinder = 20 cm ∴ Volume of cylinder = πr2h = \(\frac{22}{7}\)x 7 x 7 x 20 = 3080 cm3 |
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