The volume of a cone with circular base is to 216 by cubic cm if the base radius is 9 cm find the height of the cone
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vol. is 216
vol. is 1/3πr^2h
1/3*22/7*9*9*h=216
h = 216*7/22*3*9
h = 4*7/11
= 28/11
h = 2.545cm
vol. is 1/3πr^2h
1/3*22/7*9*9*h=216
h = 216*7/22*3*9
h = 4*7/11
= 28/11
h = 2.545cm
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