jetblackcap jetblackcap
  • 25-05-2019
  • Mathematics
contestada

Please help me out please

Please help me out please class=

Respuesta :

ziadayman2050 ziadayman2050
  • 25-05-2019

Answer:

(500π)÷3

Step-by-step explanation:

area=4πr^2 , volume=4(πr^3)÷3

area=100π ,so r=5

Answer Link
jimrgrant1 jimrgrant1
  • 25-05-2019

Answer:

[tex]\frac{500\pi }{3}[/tex] ft³

Step-by-step explanation:

The surface area of a sphere = 4πr², hence

4πr² = 100π ( divide both sides by 4π )

r² = 25 ( take the square root of both sides )

r = [tex]\sqrt{25}[/tex] = 5, hence

V = [tex]\frac{4}{3}[/tex]πr³

   = [tex]\frac{4}{3}[/tex]π × 5³

   = [tex]\frac{4}{3}[/tex]π × 125 =   [tex]\frac{500\pi }{3}[/tex] ft³

Answer Link

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