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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
4 years ago

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.
4 years ago

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