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Sidana [21]
3 years ago
6

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 sto

rage drum? use 3.14 for pi and round the answer to the nearest tenth
Mathematics
2 answers:
nlexa [21]3 years ago
7 0

Answer:

SA=62.8\ ft^2

Step-by-step 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

kirill [66]3 years ago
7 0

Answer:

SA=62.8\ ft^2

Step-by-step explanation:

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let the smallest even number be x, than the four even numbers are x, x+2, x+4, x+6, their sum is 180

x+x+2+x+4+x+6=180
                4x+12=180
                      4x=168
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the smallest even number is 42.

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fomenos

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