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



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
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