Question 1024537
1.{{{R=3+2S}}}
.
.
{{{4(2pi*R)=4(4S)}}}
2.{{{8pi*R=16S}}}
From eq. 1,
{{{2S=R-3}}}
So,
{{{16S=8R-24}}}
Substituting into eq. 2,
{{{8pi*R=8R-24}}}
From here you can solve for {{{R}}}.