Box 1:
Statement
[tex]\bar{BD}\text{ bisects }\angle ABC[/tex]
Reason
Given
Box 2 (left):
Statement
[tex]\bar{AD}\cong\bar{CD}[/tex]
Reason
A segment bisector divides a segment into two congruent segments
Box 3:
Statement
[tex]\bar{BD}\cong\bar{BD}[/tex]
Reason
Reflexive property
Box 4:
Statement
[tex]\angle ADB\text{ }\cong\text{ }\angle CDB[/tex]
Reason
All right angles are congruent
