The thing needed to prove these triangles congruent using the ASA postulate is B. Nothing else is needed to use the ASA postulate.
What is the ASA postulate?
The triangles are said to be congruent if two angles and the included side of one triangle match two angles and the included side of another triangle.
It should be noted that the triangles given are identical and the sides are equal.
Therefore, the thing needed to prove these triangles congruent using the ASA postulate is that nothing else is needed to use the ASA postulate.
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