A container made of metal is in the shape of a frustum of a cone mounted on a hollow
cylindrical base of the same metallic sheet. They are jointed to each other using a circular
metallic sheet. The diameter of the two circular ends of the container are 50 cm and 36 cm,
the total vertical height of the container is 30 cm and that of the cylindrical base is 6 cm.
Find the area of the metallic sheet used to make the container. Also, find the volume of milk
the container can hold.
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Height of frustum=30−6=24 cm
Radius of upper circle=Diameter2=502=25 cm
Similarly radius of lower circular base=18 cm
Slant height l=h2+(r1−r2)2−−−−−−−−−−−−√ so l=25
Volume of milk = Volume of frustum
My question: Will we include the lower cylinder volume in the total volume of milk container can hold?
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