Answer:
r = √3v/π
Step-by-step explanation:
in order to make r the subject of formulae from
v = 1/3πr²
multiply through by 3
3(v) = 3 ( πr²/3)
3v = πr²
divide both sides by π
3v/π =πr²/π
3v/π= r²
in order to make r stand out we would do that by squaring both sides
r = √3v/π
