6. Complete the two-column proof.
Given ZABD is a straight angle.
ZCBE is a straight angle.
Prove ZABC= ZDBE
B
STATEMENTS
REASONS
1. LABD is a straight 1. Given
angle.
ZCBE is a straight
angle.
2. ZABC and ZCBD
are supplementary.
3.
2.
3. Definition of
supplementary
angles
4. Congruent
Supplements
Theorem