Answer: True
Step-by-step explanation:
In the given picture we can see that two angles ([tex]60^{\circ}\ and\ 61^{\circ}[/tex]) and one side (12) in both the given triangles are equal.
Therefore, by AAS congruence theorem, both triangles are congruent.
Hence, "the triangles shown must be congruent" is a true statement.
- The AAS theorem (angle-angle-side) says that if two angles and any side of one triangle are equal to two angles and any side of other triangle, then the triangles are said to be congruent.
