Question
In the given figure AD is the bisector of ∠A and AB = AC. Then, by which criterion △ACD and △ABD are congruent?
Answer: Option B
:
B
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B
In △ACD and △ABD
∠BAD=∠CAD
[∵ AD is the bisector of ∠A]
AD = AD [common side]
AB = AC [Given]
△ACD≅△ABD [SAS congruency]
The triangles are congruent by SAS congruence rule.
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