The volume of a cone is is 462cm ^3 of its base radius is 7 cm,then its height is
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Solution
Volume of a cone is given by the formula: V=(1/3)πr²h Given : V = 462 , r = 7 Substituting the data in the formula, 462 = 1/3 x 3.14 x 7² x h h =(3 x 462) / (3.14 x 49) = 9cm