The flowchart to prove the congruence of the triangles ΔABE and ΔCDE can be presented as follows;
║
is the segment bisector of
Given Given
↓ ↓
∠CDE ≅ ∠BAE
≅
≅
Alt. int Angles Defn of bisected segment Congruence marking
↓ ↓ ↓
ΔABE ≅ ΔCDE
SAS
The completed statement and reasons can be presented in a tabular form as follows;
Statement Reasons
║
Given
⊥ bisector of
Given
≅
Congruent segment marking
∠DCE ≅ ∠EAB Alternate interior angles
≅
Definition of bisected segment
ΔCDE ≅ ΔABE Side Angle Side congruence rule