Which corresponding sides do we need to know to prove that the triangles are congruent using the $SAS$ criterion?

Which corresponding sides do we need to know to prove that the triangles are congruent using the $SAS$ criterion?

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Is the following pair of triangles congruent? Give reason to support your answer.

Is the following pair of triangles congruent? Write the criterion of congruence.

Is the following pair of triangles congruent? Write the criterion of congruence.

Is the following pair of triangles congruent? Write the criterion of congruence.

Is the following pair of triangles congruent? Write the criterion of congruence.

In the adjacent figure, are $△\mathrm{ABC}$ and $△\mathrm{DCB}$ congruent? Also identify the relation between corresponding elements and give reasons for your answer.

Are $△\mathrm{AOB}$ congruent to $△\mathrm{DOC}$ ? Also identify the relation between corresponding elements and give reasons for your answer.