Answer:
By SAS triangle congruence theorem
Could be used to immediately show triangle 1 & triangle 2 with no additional steps.
Explanation:
Given:
triangle 1 & triangle 2
with 2 corresponding sides are congruent
To Prove:
triangle 1 ≅ triangle 2
Proof:
2 corresponding sides are congruent ..........Given
Angles between the two side is also congruent because of
vertically opposite angles are congruent
∴ triangle 1 ≅ triangle 2 .....{ by S-A-S Test}