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kvv77 [185]
4 years ago
14

What is the surface area to a cylinder

Mathematics
1 answer:
Maslowich4 years ago
7 0

Answer:

  A. 2(Pi)rh+2(Pi)r^2

Step-by-step explanation:

The surface area of a cylinder is the sum of the lateral area and the area of the two circular ends.

The lateral area is the product of the circumference of the cylinder and its height:

  lateral area = 2πrh

The area of the two ends is twice the area of each of those circles, so is ...

  total end area = 2(πr²)

Then the total surface area of a cylinder is ...

  SA = 2πrh +2πr²

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25.7 is what percen of 141?
suter [353]

25.7 is 18.23% of 141.

Step-by-step explanation:

Let,

The percent be x.

Therefore,

x% of 141 = 25.7

Changing percent into 100 and multiplying x with 141.

\frac{141}{100}x=25.7

1.41x = 25.7

Dividing both sides by 1.41

\frac{1.41x}{1.41}=\frac{25.7}{1.41}\\\\x=18.23\%

25.7 is 18.23% of 141.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/6465937
  • brainly.com/question/6431715

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Read 2 more answers
Can you please help with this please
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Mammals: If the number of Mammal exhibits is 25 and there are 75 total exhibits, the Mammal exhibits are 1/3 of the total exhibits at this Zoo. The ratio for 1/3 is 1:3, which is 25:75 in most complex form. That's 33.3 as a percentage, or 33.3%.

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I'll message you the other half of the answers.
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