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. If the lateral surface of a cylinder is 94.2 cm2 and its height is 5 cm, then find(i) radius of its base(ii) its volume. (Use Tt 3.14) |
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Answer» Lateral Surface area of cylinder= 2*pi*r*h 1) 2*pi*r*h = 94.2 2*3.14*r*5 = 94.2 r = 94.2/31.4 r = 3 cm 2) Volume of cylinder = pi*r*r*h = 3.14*3*3*5 = 3.14*45 = 141.3 cm^3 |
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