2. Multiple choice question II

1. Two students drew a line segment each. What is the condition for them to be congruent?

 

2. In the given figure, $AD = CD$ and $AB = CB$. Identify the other three pairs that are equal.

 

3. In $\Delta ABC$ and $\Delta PQR$, $\angle A = 50^\circ = \angle P$, $PQ = AB$ and $PR = AC$. By which property $\Delta ABC$ and $\Delta PQR$ are congruent?