I need help with this proof!

Question

Given: B is the midpoint of AC and DL 

 

Prove: Triangle ADB and Triangle CLB are congruent

Answer 1

Here are the Statements and

Reasons:

 

1)  B is midpoint of AC and DL   1) Given

 

2)  AB = CB and DB = LB         2) Definition of a midpoint

 

3) ∠ABD ≅ ∠CBL                      3) Vertical angles 

 

4) ΔADB ≅ Δ CLB                     4) SAS