[" A closed cylindrical tank of radius "7m" and height "3m" is "],[" made from a sheet of metal.How much sheet of metal is "],[" required? "]

A closed cylindrical tank of radius 7m and height 3m is made from a sheer of metal. How much sheet of metal is required?

A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is required?

A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is required?

A closed cylindrical tank of radius 1.5m and height 3m is made from a sheet of metal. How much sheet of metal is required?

A closed cylindrical tank of radius 1.5m and height 3m is made from a sheet of metal. How much sheet of metal is required?

A closed cylindrical tank of diameter 14 m and height 5 m is made form a sheet of metal. How much sheet of metal will be required?

It is required to make from a sheet of metal a closed cylindrical tank whose height is 1 m and whose base radius is 70 cm. How many square metres of sheet metal is required ?