Question

A container, open at the top, made up of metal sheet is in the form of the
frustum of a cone of height 16 cm with radii of lower and upper circular
ends as 8 cm and 20 cm respectively. Find the cost of milk which can
completely fill the container at the rate of 40 per litre and also find the
cost of metal sheet used if it costs 10 per 100 cm. (Use π =3.14)​

Answer 1

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Answer 2

Answer:

Step-by-step explanation: