If two angles and a nonincluded side of one triangle are congruent to the corresponding two angles and side of another then the triangles are congruent. A. SSS B. ASA C. AAS D. SAS?

The correct answer is C. AAS (Angle-Angle-Side). This theorem states that if two angles and a nonincluded side of one triangle are congruent to two angles and the corresponding nonincluded side of another triangle, then the triangles are congruent.