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some on help me plllz
a sphere has a surface area of 32in^2
a,radius=_______ b,volume=_________
 one year ago
 one year ago
some on help me plllz a sphere has a surface area of 32in^2 a,radius=_______ b,volume=_________
 one year ago
 one year ago

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ajprincessBest ResponseYou've already chosen the best response.1
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
 one year ago

thisBest ResponseYou've already chosen the best response.0
sa=4pi r^2 32/4pi=4pir^2/4pi 32=r^2 i dont know what to do next):
 one year ago

ajprincessBest ResponseYou've already chosen the best response.1
32/4pi=4pi r^2/4pi 8/pi=r^2 to find r. find the sqrt of 8/pi r=sqrt(8/pi)
 one year ago

ajprincessBest ResponseYou've already chosen the best response.1
to find the volume use v=4/3pi r^3
 one year ago

thisBest ResponseYou've already chosen the best response.0
thanks so much @ajprincess
 one year ago

ajprincessBest ResponseYou've already chosen the best response.1
Welcome:) Did u find the volume?
 one year ago

thisBest ResponseYou've already chosen the best response.0
i got 2.25=r is that right?
 one year ago

ajprincessBest ResponseYou've already chosen the best response.1
what did use for pi? 3.14 or 22/7?
 one year ago

thisBest ResponseYou've already chosen the best response.0
wait let me show u how i did it the whole thing
 one year ago
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