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

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ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.1Surface 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

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

ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.132/4pi=4pi r^2/4pi 8/pi=r^2 to find r. find the sqrt of 8/pi r=sqrt(8/pi)

ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.1to find the volume use v=4/3pi r^3

this
 2 years ago
Best ResponseYou've already chosen the best response.0thanks so much @ajprincess

ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.1Welcome:) Did u find the volume?

this
 2 years ago
Best ResponseYou've already chosen the best response.0i got 2.25=r is that right?

ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.1what did use for pi? 3.14 or 22/7?

this
 2 years ago
Best ResponseYou've already chosen the best response.0wait let me show u how i did it the whole thing
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