Question

You are designing a 1728 cm³ closed right circular cylindrical cans
whose manufacture will take waste into account. There is no waste
in cutting the aluminium sheet for the curved surface, but the tops
and bottom of radius "r" will be cut from squares that measure
"2r" units on a side. Find the total quantity of aluminium (in square

cm) for the manufacture of a most economical can.​

Answer 1

Answer:

in which standard you are studying