Sheet metal n the tank:
TWO ends have area of pi r^2 2 x pi 4^2
PLUS the circumference x height = pi x d x 30 = pi x 8 x 30 Add reds together to get surface area of sheet metal.
Volume of cylinder = pi r^2 h = pi 4^2 x 30 = ......
Utah question does not have map diagram.....