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some on help me plllz a sphere has a surface area of 32in^2 a,radius=_______ b,volume=_________
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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ajprincess
  • ajprincess
Surface area of a sphere = \(4\pi r^2\) \(2=4\pi r^2\) From this r(radius) can be found in terms of \(\pi\) Volume of a sphere=\(\large\frac{4}{3}\pi r^3\) Can u find nw? @this
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sa=4pi r^2 32/4pi=4pir^2/4pi 32=r^2 i dont know what to do next):
ajprincess
  • ajprincess
32/4pi=4pi r^2/4pi 8/pi=r^2 to find r. find the sqrt of 8/pi r=sqrt(8/pi)

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ajprincess
  • ajprincess
to find the volume use v=4/3pi r^3
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thanks so much @ajprincess
ajprincess
  • ajprincess
Welcome:) Did u find the volume?
this
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i got 2.25=r is that right?
ajprincess
  • ajprincess
pi=?
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i cancel out the pi
ajprincess
  • ajprincess
what did use for pi? 3.14 or 22/7?
this
  • this
i use 3.48
this
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wait let me show u how i did it the whole thing
ajprincess
  • ajprincess
ok:)

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