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qwelly [4]
3 years ago
8

What is the volume of a cylinder with a radius of 3 cm and a height of 5 cm?

Mathematics
2 answers:
marusya05 [52]3 years ago
6 0

Answer

Volume ≈ 141.37cm³

PSYCHO15rus [73]3 years ago
5 0

Answer:

141.3 cm³

Step-by-step explanation:

V=πr2h=π·32·5≈141.37167cm³

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The formula for the area of a circle is A=pir^2. Find the area of a circle with a diameter of 6.4 centimeters. Use a calculator
Advocard [28]
A=pi(3.2)^2= 32.1699087728
A=32cm^2
3 0
4 years ago
I don't get how to solve it
skelet666 [1.2K]
I don't know for a fact but I think k=1.125
8 0
3 years ago
Hem dibuixat tres rectangles. En el primer, la llargada mesura 3 cm més que l'amplada. El segon i tercer rectangle tenen unes di
quester [9]

Resposta:

Primer rectangle:

Amplada = 11

Longitud = 14

Segon rectangle:

Amplada = 12

Longitud = 15

Tercer rectangle:

Amplada = 13

Longitud = 16

Explicació pas a pas:

Donat que:

Primer rectangle:

Amplada = x

Longitud = x + 3

2n rectangle:

Augment de la dimensió d'1 cm respecte al primer rectangle;

Amplada = x + 1

Longitud = x + 4

3r rectangle:

Augment de la dimensió de 2 cm respecte al primer rectangle;

Amplada = x + 2

Longitud = x + 5

Suma dels tres perímetres del rectangle:

Perímetre d'un rectangle: 2 (l + O)

Primer rectangle:

2 (x + x + 3) = 2 (2x + 3) = 4x + 6

2n:

2 (x + 1 + x + 4) = 2 (2x + 5) = 4x + 10

3r:

2 (x + 2 + x + 5) = 2 (2x + 7) = 4x + 14

Suma de perímetres = 162

(4x + 6 + 4x + 10 + 4x + 14) = 162

12x + 30 = 162

12x = 162 - 30

12x = 130

x = 11

Per tant,

Primer rectangle:

Amplada = 11

Longitud = 11 + 3 = 14

2n rectangle:

Amplada = 11 + 1 = 12

Longitud = 11 + 4 = 15

3r rectangle:

Amplada = 11 + 2 = 13

Longitud = 11 + 5 = 16

8 0
3 years ago
Which expression is equivalent to 3/24?
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5 0
3 years ago
In a 45-45-90 triangle, what is the length of the hypotenuse when the length of one of the legs is 5 in.?
Contact [7]
Hello!

since this is a 45-45-90 degree triangle the hypotenuse is a\sqrt{2} where a is one of the legs

So the answer is 5\sqrt{2}

Hope this helps!
5 0
3 years ago
Read 2 more answers
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