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<span>Volume = 4/3*pi*r^3
As diameter = 6 inches
Radius = Diameter / 2
Radius = 6/ 2
Radius = 3 inches
Putting the value of r in the formula :
=4/3*pi*3^3
</span><span> =4/3*pi*27
</span>= 36*pi
So according to above explanation,
<span>B) V = 36 π cubic inches , is the correct answer.</span>
By Stokes' theorem,

where
is the surface with
as its boundary. The curl is

Parameterize
by

with
and
. Then take the normal vector to
to be

Then the line integral is equal to the surface integral,


he bought 18 horses, the cows are irrelevant to the question, that was in there to confuse you.