Question

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 to the nearest tenth. Recall the formula S A = 2 pi r squared + 2 pi r h. 20.0 37.7 50.2 62.8

Answer 1

D

Explanation:

Answer 2

Explanation:

Step 1: Find the surface area

`Radius = Diameter /2`

`Radius = 4/2`

`Radius = 2`

`Surface \ Area = 2\pi * r * h +2 \pi * r^2`

`Surface \ Area = 2\pi * (2) * (3) + 2\pi * (2)^2`

`Surface \ Area = 2\pi * 6 + 2\pi * 4`

`Surface \ Area = 12\pi + 8 \pi`

`Surface \ Area = 20\pi`

`Surface\ Area = 62.8...`

Answer: Option D, 62.8