n. g. = neutral geometry  <ABC  = angle ABC \leq  = less or equal than sqrt{x} = square root of x cLr = the line in the Poincaré plane defined by the equation (x-c)^2+y^2=r^2 1. Find the bisector of the angle <ABC in the Poincaré plane, where    A=(0,5), B=(0,3) and C=(2,\sqrt{21})

n. g. = neutral geometry 

<ABC  = angle ABC

\leq  = less or equal than

sqrt{x} = square root of x

cLr = the line in the Poincaré plane defined by the equation (x-c)^2+y^2=r^2

1. Find the bisector of the angle <ABC in the Poincaré plane, where 
   A=(0,5), B=(0,3) and C=(2,\sqrt{21})