Question 1085848
r, radius of original sphere.


{{{(4/3)pi*r^3=(4/3)pi*277^3-(4/3)pi*r^3}}}


{{{r^3=277^3-r^3}}}

{{{2r^3=277^3}}}

{{{r^3=(1/2)277^3}}}

{{{highlight_green(r=277/root(3,2))}}}


r=219.9