Posted by **Tengo anos Cuarenta y uno** on Tuesday, December 13, 2011 at 9:28pm.

Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD.

Prove: line AD bisects BC

Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line BC. and Angle c and Angle B are corresponding and congruent.

what i have so far

given info

Line DA is congruent to Line DA by Reflexive Prop or EQuality

angle C is congruent to angle B by the Corresponding parts of congruent triangles are congruen. CPCTC.

but i do not know where to go from that..

- Geometric Proofs -
**Steve**, Wednesday, December 14, 2011 at 12:00am
As far as I can tell, it doesn't matter which lines are congruent.

<BAD and <CAD are adjacent angles which are equal.

Therefore they bisect <CAB

Gussy it up, but that's the crux of the argument.

- Geometric Proofs -
**catherine**, Monday, July 30, 2012 at 2:58pm
how to place information to get answer of geometric mean of 25.4, 9, 16, 4.25, 8.11, 19?

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