Q:

Line segments AD and BE intersect at C, and triangles ABC and DEC are formed. They have the following characteristics:∠ACB and ∠DCE are vertical angles∠B ≅ ∠EBC ≅ ECWhich congruence theorem can be used to prove △ABC ≅ △DEC?HLASASSSSAS

Accepted Solution

A:
Angles B and E are congruent.              -------->    Angle
Sides BC and EC are congruent.               -------->    Side
Vertical angles ACB and DCE are congruent.    ------->    Angle

The triangles are congruent by ASA.

Answer: B. ASA