, with respect to a point 
, denoted
by ![$RRI[\Gamma,p]$](img5.png){kind=small}
and we give several examples. In particular, we
deduce that if is a circle and the point 
lies inside
of , then
![$RRI[\Gamma,p]=[0,r/d]$](img7.png){kind=small}
, where 
is the radius
of and 
is the distance from to the center of
.
, with respect to a point , denoted
by and we give several examples. In particular, we
deduce that if is a circle and the point lies inside
of , then
, where is the radius
of and is the distance from to the center of
.
Key Words: Starlike curve, refraction property.
2000 Mathematics Subject Classification: Primary: 30C45,
Secondary: 78A05.