What is the volume of a ball with a radius of 3 units?

2 Answers
Mar 28, 2016

the volume of a sphere is given by: formula

substitute your value of 3 units for the radiaus.

Mar 28, 2016

#792/7# #or# #113.1# #units#

Explanation:

Volume of sphere

Expressed as #v#

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The radius is #3#

#:.color(purple)(v=4/3pi3^3#

And,

#color(brown)(pi=22/7#

#color(brown)(3^3=3*3*3=27#

#rarr4/3*22/7*27#

#rarr4/cancel3^1*22/7*cancel27^9#

#rarr4*22/7*9#

#rarr36*22/7#

#color(green)(rArr792/7~~113.1# #color(green)(units#