Anonym Anonym
  • 06-12-2013
  • Mathematics
Answered

What is the volume of a sphere when r = 9 ft

Answer :

JPiv
JPiv JPiv
  • 06-12-2013
volume of a sphere is calculated using a formula:
[tex] \frac{4}{3} \pi * r^{3} [/tex]

so in this case:

[tex] \frac{4}{3} \pi * 9^{3}[/tex]

and taht is:

[tex] \frac{4}{3} \pi *729 [/tex]
[tex]= 972 \pi [/tex]

Hope it helps you! :)
Answer Link
tomek1172
tomek1172 tomek1172
  • 09-12-2013
[tex]V=\frac43 \pi r^3\\ r=9m\\ \\ V=\frac43 \pi 9^3=\frac43 \cdot 729\pi=972\pi[/tex]
Answer Link

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