Given: ab is congruent to db and eb is congruent to db. Prove angle D is congruent to angle A using a formal proof

Question

Formal Proof that I need help with please answer quick I have a due date of today and cannot fail this please help whoever is out there

Answer 1

Note: the information about eb is not needed.

Given: ab is congruent to db, eb is congruent to db.

Prove: angle D is congruent to angle A.

1. ab is congruent to db Given
2. triangle abd is isosceles Definition of isosceles triangle
3. angle a is congruent to angle d Base angles of an isosceles triangle are congruent