Question

A metal soup can is 4 in. tall and has a diameter of 6 in.

Answer 1

The amount of metal used to make the can = surface area of cylindrical can, which is: D. 42π in².

What is the Surface Area of a Cylinder?

A can is a cylinder.

Surface area of a cylinder = 2πrh + 2πr²

Thus:

Amount of metal used to make the can = surface area of the can

r = 6/2 = 3 in.

h = 4 in.

Therefore:

Surface area = 2×π×3×4 + 2×π×3²

Surface area = 24π + 18π

Surface area = 42π in².

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