Answer:

Step-by-step explanation:
The surface area of a cylinder is given as;

where r = radius
h = height
The cylinder has a height of 32 feet and a diameter of 40 feet. This means that the radius is:
40 / 2 = 20 feet
The surface area is therefore:

The surface area of the cylinder is
.
Answer:
Area is the total surface covered by the shape and perimeter is the total length of the shape.
I believe its 27.75. I wouldn't take my word for it though.
Ok i will give you a hint ok look subtract 18-30 then you will get yhe answef for 8× ok try it