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35 votes
35 votes
Helena is going to cover the label on a Pringle’s can and decorate it for Easter. The can has a diameter of 4.5 in. and a height of 14 in. She only needs to cover the label, not the top or bottom of the can, what is the minimum amount of paper needed?

User Adam Spicer
by
3.1k points

1 Answer

27 votes
27 votes

Answer:

197.92 in^2 or 198 in^2

Explanation:

Helena needs to cover the top and bottom so do the formula 2
image
image

we know:

height = 14 inches

diameter = 4.5 inches

radius = diameter / 2

radius = 4.5/2

radius = 2.25

Now plug the values into the formula.

2
image
image

2
image(2.25) (14)

6.28 (2.25) (14)

14.14 (14)

= 197.92 in^2 ---> 198 in^2

User LeadDreamer
by
2.9k points