Asked by Keisha
Given : isosceles triangle ABC with vertex Angle A and with angle bisector AD
Prove: AD is the median
Use 2 column proof
Prove: AD is the median
Use 2 column proof
Answers
Answered by
oobleck
since AB = AC, use ASA to prove congruence of triangles ADB and ADC
That means that BD=DC, hence AD is the median from A to BC.
That means that BD=DC, hence AD is the median from A to BC.