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The radius of the base and height of a cone are in the ratio of 3:4and its volume is 324n cu.cm. Find its height. |
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Answer» base and height = 3x ,4x volume of CONE = πr^2h 324cm^3= 22/7×3x×3x×4x 324 cu. cm= 22/7×36X 324× 7 = 22× 36x2268cu.cm= 22× 36x 2268 /22 = 36x 103.09= 36 x x = 103.09/36x = 2.86 height = 4x height = 4× 2.86height = 11.44cm |
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