Go Geometry Problem Problem 377: Triangle, Internal Angle Bisector, Altitude

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The figure shows a triangle ABC with the internal angle bisector BD and altitude BH. Prove that Angle Bisector and Altitude Formula. Post a comment.
 

Triangle: Angle bisector and Altitude
 

See Also:

 

Classical Theorems

 

Geometry Jobs

 

Triangle, Incenter, Parallel to a side

Proposed Problem 378.
Triangle, Incenter, Parallel to a side, Angle, Congruence.
 

Triangle, Excenter, Internal and External angle bisector,

Proposed Problem 376.
Triangle, Excenter, Internal and External Angle Bisectors.
 

Triangle, Excenter, Angle

Proposed Problem 375.
Triangle, Excenter, External Angle Bisectors.

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