the four-
pen: Parallelogram LIVE
a 21 and 2V are supplementary
2V and E are supplementary
2E and 21 are supplementary
LL and I are supplementary
of:
Statements
1. Given
LI VE
I and V are supplementary
ZIA E ZVAL
5. An angle that is supplementary to
one of two congruent angles is
supplementary to the other.​