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4. If the lateral surface of a cylinder is 94.2 cm2 and its height is 6 cm, then find (i) radius of its base (ii) its volume. (Use tr = 3.14)

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

Given lateral surface = 94.2 cm2• (i) 2nrh = 94.2 => 2 ><• 3.14 >< r >< 5 = 94.2 94.2 r = 10x 3.14 = 3 cm. (iiJ Volume = rh = 3.14 x •(3)2 >< 6 cm3 = 3.14 x 46 cm3 = 141.3 cm3

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