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24-04-2018
Mathematics

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The volume of a cone with a 30-millimeter radius is 9,420 cubic millimeters.what is the height of the cone to the nearest millimeter?

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calculista calculista

04-05-2018

we know that
[volume of a cone]=(1/3)*pi*r²*h
h=3*volume of a cone/(pi*r²)
r=30 mm
V=9420 mm³

h=3*9420/(pi*30²)----> 9.99 mm-----> 10 mm

the answer is
10 mm

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