Question

I need help with this right away. Please.

Answer 1

1. ∠1 ≅ ∠2, AC bisects ∠DCB . . . . given
2. ∠1 ≅ ∠3 . . . . vertical angles are congruent
3. ∠2 ≅ ∠3 . . . . transitive property of congruence; both are ≅ ∠1 . . . (angle of ASA)
4. AC ≅ AC . . . . reflexive property of congruence (side of ASA)
5. ∠4 ≅ ∠5 . . . . definition of angle bisector (angle of ASA)
6. ΔCDA ≅ ΔCBA . . . . ASA postulate