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Semenov [28]
3 years ago
11

2. Find the surface area of a cylindrical can of tennis balls if the height of the can is 8

Mathematics
2 answers:
alina1380 [7]3 years ago
7 0

Answer:

125.7 square inches

Step-by-step explanation:

The surface area of a cylinder is the sum of the areas of the two circles on each end and the area encircling "rectangle". Note that the length of this "rectangle" is the height of the can, while the width is the perimeter of the circle. The full equation is:

A=2 \pi r^2 +2 \pi r h\\A=2 \pi r(r+h)\\A=2 \pi (2)(2+8)\\A=40 \pi\\A=125.7

erik [133]3 years ago
6 0

Answer:

the surface area of the cylinder is 125.6

the formula is 2πrh+2πr^2

so plugging in all the parts it would be

2*3.14*2*8+2*3.14*2^2 which equals

125.6

Step-by-step explanation:

hope this helps you out :)

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