Question 1114869
{{{r^2=A/(4pi)}}}

{{{r=sqrt(A/(4pi))}}}

{{{r=(1/2)*sqrt(A/pi)}}}

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{{{V(A)=(4/3)pi*((1/2)sqrt(A/pi))^3}}}

{{{V(A)=(4/3)(1/8)*pi*(A/pi)^(3/2)}}}

{{{V(A)=(1/6)pi*(A/pi)^(3/2)}}}

The form could still be simplified or adjusted further.