Question

Which postulate proves the two triangles congruent?

A. SSS
B. SAS
C. ASA
D. AAS

Answer 1

A. SSS

Explanation:

Triangle ADT and triangle TDE are congruent triangles by SSS postulate.

Sides DE and DA, sides TE and TA are congruent (DT is common side).

So the answer is A. SSS