Use the following information for questions 2–5. Questions 2–4 are the steps in a proof, and question 5 is the conclusion to that proof. Given: ABD CDB, || Prove:ABE CDE Question A student writes the statement BEA DEC to help prove the triangles are congruent. What reason should the student give? (1 point) Responses Given Given Angles cut by a bisector are congruent. Angles cut by a bisector are congruent. Base angles of an isosceles triangle are congruent. Base angles of an isosceles triangle are congruent. Vertical angles are congruent. Vertical angles are congruent.

Base angles of an isosceles triangle are congruent.