Asolid machine part is to be manufactured as shown in the figure. the part is made by cutting a small cone off the top of a larger cone. the small
cone has a base radius of 3 inches and a height of 5 inches. the larger cone has a base radius of 9 inches and had a height of 15 inches prior to
being cut. what is the volume of the resulting part illustrated in the figure?
a.
15
cubic inches
b.
155
c.
390
cubic inches
d.
405
cubic inches
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