Answer:854.08 ft^2 was used for its construction.
Explanation:
To determine the amount of sheet metal that would be used in the construction of water tank, we we determine its total surface area. The formula for determining the total surface area of a right circular cylinder is expressed as
Total surface area = 2πr^2 + 2πrh
Where
r represents the radius of the cylinder
h represents the height of the cylinder.
π is a constant whose value is 3.14
From the information given,
h = 30 feet
diameter = 8 feet
Radius = diameter/2 = 8/2 = 4 feet.
Therefore,
The total surface area =
2 × 3.14 × 4^2 + 2 × 3.14 × 4 × 30
= 100.48 + 753.6 = 854.08 ft^2