static void FindAnglesForSides(double s1, double s2, double s3, double * a1, double * a2, double * a3);
static Point GetPointForParameter(Object *, double);
static Point Midpoint(Line *);
static void FindAnglesForSides(double s1, double s2, double s3, double * a1, double * a2, double * a3);
static Point GetPointForParameter(Object *, double);
static Point Midpoint(Line *);