Question 1148445:  Given: Triangle ABC is isosceles and segment CD bisects angle ACB. Prove; D is the midpoint of segment AB 
 
 Answer by ikleyn(52903)      (Show Source): 
You can  put this solution on YOUR website! .
 
 
In a normal geometric language,  this statement says 
 
 
    In any isosceles triangle, the angle bisector drawn to the base coincides with the median.
 
 
For the proof,  see the lesson
 
    - An altitude a median and an angle bisector in the isosceles triangle
 
in this site.
 
 
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Also,  you have this free of charge online textbook on Geometry
 
    GEOMETRY - YOUR ONLINE TEXTBOOK 
 
in this site.
 
 
The referred lesson is the part of this online textbook under the topic  "Properties of triangles".
 
 
 
Save the link to this online textbook together with its description
 
 
Free of charge online textbook in GEOMETRY 
https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson
 
 
to your archive and use it when it is needed.
 
 
 
 
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