chapter 1 Geometric Twins - Part 7

In △ABC, AB = AC and AD is the angle bisector of ∠A meeting BC at D. Then △ABD ≅ △ACD by:

Type: MCQ • Marks: 1
In △ABC, AB = AC and AD is the angle bisector of ∠A meeting BC at D. Then △ABD ≅ △ACD by:
Options
A. ASA criterion
B. SAS criterion
C. SSS criterion
D. AAA criterion
Explanation
AB = AC (given), ∠BAD = ∠CAD (AD bisects ∠A), and AD = AD (common side). Thus SAS applies.
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Class 7th Ganita Prakash 2

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