Question 1149141: Given: Line OF bisects angle WOL, ANGLE W ~= ANGLE L
pROVE F is the midpoint line WL
Answer by ikleyn(52915)   (Show Source):
You can put this solution on YOUR website! .
The standard formulation of this statement is THIS:
In any isosceles triangle, the bisector of the angle opposite to the base is the median of the triangle, at the same time.
For the proof, see the lesson
-An altitude, a median and an angle bisector in the isosceles triangle
in this site.
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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