6. If the volume of a right circular cone of height 9 cm
is 48 πcm, find the diameter of its base.
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volume of circular cone = 1/3 pie r² h
48.* pie =1/3* pie*r²*9
48=3 r²
r²=48/3
r= square root of 48/3
r= 2.3 cm
diameter of its base = 2* square root of 48/3
=2* 2.3
= 4.6 cm
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