A storage drum in the shape of a cylinder is 3 feet tall and has a diameter of 4 feet. what is the total surface area of the storage drum? use 3.14 for pi and round the answer t…

Question

asked May 16, 2019 178k views

2 Answers

Rajarshee Mitra · Answer 1 · 2019-05-21T22:37:43+0000

Answer:

$SA=62.8\ ft^2$

Explanation:

we know that

The surface area of a cylinder is equal to

$SA=2\pi r^(2)+2\pi rh$

we have

$h=3\ ft$

$r=4/2=2\ ft$ ----> the radius is half the diameter

assume

$\pi =3.14$

substitute

SA=2(3.14)(2)^(2)+2(3.14)(2)(3)

$SA=62.8\ ft^2$