Two triangles are congruent if corresponding sides and corresponding angles are congruent. The correct option is A.
In geometry, two figures or objects are said to be congruent if their shapes and sizes match, or if one is the mirror image of the other. The meaning of congruency is that the two shapes are similar as well as equal in size.
The Side-Angle-Side Congruence Theorem (SAS) defines two triangles to be congruent to each other if the included angle and two sides of one are congruent to the included angle and corresponding two sides of the other triangle.
Therefore, two triangles are congruent if corresponding sides and corresponding angles are congruent. The correct option is A.
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