Inradius | Article about inradius by The Free Dictionary
The radius of the inscribed circle of a triangle.
References in periodicals archive
Let us define: dB as the boundary of B, p(B) as its perimeter, d(B) as its diameter, r(B) as its inradius
k] (A)/S(A) is in a sharp way bounded from below by (a multiple of) the inradius of Z and from above by (a multiple of) the outer radius of Z.
d] and it has inradius r = 1/d and circumradius R = 1/[square root of d].