Circumradius
= Circumradius
{title2=$R$}
The <radius> of a <triangle>'s circumscribed <circle>, whose center is the <circumcenter>. For side lengths $a,b,c$ and <area> $A$, it satisfies $R=abc/(4A)$.
= Circumradius
{title2=$R$}
The <radius> of a <triangle>'s circumscribed <circle>, whose center is the <circumcenter>. For side lengths $a,b,c$ and <area> $A$, it satisfies $R=abc/(4A)$.