Proof: Parallelogram 8     
G = JHI
GHJ = GKJ
line GHI
Quadrilateral GHJK is a
1. 
1. 
G = JHI
GHI = 180
180 = GKJ + G
Quadrilateral GHJK is a
GHJ = GKJ
GHI = GHJ + JHI
line GHI
GKJ and G are supplementary
line GK line HJ
line GHI line JKL



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
Copyright ©2010. All rights reserved.