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Lyrx [107]
3 years ago
9

Help step by step on how to do

Mathematics
1 answer:
Andre45 [30]3 years ago
6 0

Answer:

Okay so you first need to figure out what your variables are in the equation given. It tells you pi is 3.14. on the top of the cylinder it shows that the radius (r) is 2. the height (h) is shown on the cylinder as 4. Now all you have to do is plug in the values for the variables into your calculator. You have (2) times (3.14) times the radius (2) and you square the radius. then you add (2) x (3.14) x (2) x (4). So if you put it in your calculator it would look like this: (2)(3.14)(2)^2+(2)(3.14)(2)(4)=75.36 Your answer is 75.36

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I would say (I am abbreviating square root to sqrt)

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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
the area of a rectangle is 42.15 square meters. if the length is 21 meters, what is perimeters of the rectangle?
Vsevolod [243]

Answer:

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Step-by-step explanation:

Given that:

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Step-by-step explanation:

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