Proof: Parallelogram 8
G =
JHI
GHJ =
GKJ
line GHI
Quadrilateral GHJK is a
1.
1.
180
=
GKJ +
G
GHJ =
GKJ
GHI = 180
line GHI
line JKL
G =
JHI
GKJ and
G are supplementary
line GK
line HJ
line GHI
GHI =
GHJ +
JHI
Quadrilateral GHJK is a
ProveIt!
by Michael Ferraro <
mferraro@balstaff.org
>.
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