if the volume of a right circular cone of height 9 cm is 48 Pi centimetre cube find the diameter of its base
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Answer:
h = 9m
vol. = 48π
Formula of vol. = ⅓πr²h
48π =⅓ π r² 9
48π/π = ⅓ 9 r²
48 = 3 r²
48/3 = r²
16 = r²
r = √16
r= 4n
diameter = 2r
= 2 x 4
= 8
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