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Step 1
Given; The pair of triangles below have two corresponding parts marked as congruent. What additional information is needed for an AAS congruence correspondence?
A. ∠A≅∠M
B. DA⎯⎯⎯⎯⎯⎯⎯⎯≅MO⎯⎯⎯⎯⎯⎯⎯⎯⎯
C. ∠A≅∠O
Step 2
AAS postulate means two angles and a side not included between them.
For these triangles it is given that;
[tex]\begin{gathered} m\angle D\cong m\angle T \\ DN\cong TN \end{gathered}[/tex]So we need one more angle for the postulate to be complete but this angle must not come in such a way that the congruent side is included in between thus;
[tex]m\angle A\cong m\angle O\text{ is what is required}[/tex]Answer;
[tex]\angle A\cong\angle O[/tex]