Answer:
Step-by-step explanation:
Statements Reasons
1). Triangle ABC is isosceles. D is 1). Given
the midpoint of AC.
2). AD ≅ DC 2). Definition of midpoint
3). BA ≅ BC 3). Definition of an isosceles
triangle.
4). BD exists 4). A single line segment can be
drawn between any two points.
5). BD ≅ BD 5). Reflexive property
6). ΔABD ≅ ΔCBD 6). By SSS property of congruence
7). ∠BAC ≅ ∠BCA 7). CPCTC