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Fudgin [204]
3 years ago
7

Super-yummy soup, inc. wants to paint their entire soup can red, including the top and bottom. if the diameter of the lid is 5 c

m, and the height of the can is 9 cm, what is the approximate total surface area that will need to be painted?
Mathematics
1 answer:
Leokris [45]3 years ago
8 0

The total surface area of the soup can would be equivalent to the sum of the surface area of the 2 covers plus the surface area of the side.

Surface area of the 2 covers = 2 π r^2

Surface area of the 2 covers = 2 π (2.5 cm)^2

Surface area of the 2 covers = 39.27 cm^2

 

Surface area of the side = 2 π r h

Surface area of the side = 2 π (2.5 cm) (9 cm)

Surface area of the side = 141.37 cm^2

 

Total surface area = 39.27 cm^2 + 141.37 cm^2

<span>Total surface area = 180.64 cm^2</span>

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