star89
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  • 12-01-2020
  • Mathematics
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Need help with this not good in math

Need help with this not good in math class=

Respuesta :

joseaaronlara
joseaaronlara joseaaronlara
  • 12-01-2020

Answer:

The answer to your question is 1527.1 cm³

Step-by-step explanation:

Data

length = 27 cm

diameter = 15 cm

Formula

V = [tex]\frac{\pi r^{2}h}{3}[/tex]

Process

1.- Find the height and the radius

Radius = diameter / 2

Radius = 15/2 = 7.5 cm

To find the height use the Pythagorean theorem

height² = 27² - 7.5²

height² = 672.75

height = 25.94 cm

2.- Substitute in the formula

Volume = [tex]\frac{\pi 7.5^{2}25.94}{3}[/tex]

Volume = [tex]\frac{4581.65}{3}[/tex]

Volume = 1527.1 cm³

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