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The curved surface area of a cylinder is 1320 cm2 and its base has diameter 21 cm. Find the height of the cylinder. |
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Answer» Given, Curved surface area of cylinder = 1320 cm2 Diameter of base = 21 cm Radius of cylinder = \(\frac{21}{2}\) cm Let height of cylinder = h cm So, = 2πrh = 1320 = h = \(\frac{1320}{2πr}\) = \(\frac{1320\times 7\times 2}{2\times 22\times 21}\) = 20 cm Height of cylinder = 20 cm |
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