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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let the 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× 36x
2268cu.cm= 22× 36x
2268 /22 = 36x
103.09= 36 x
x = 103.09/36
x = 2.86
height = 4x
height = 4× 2.86
height = 11.44cm
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