question 9 ?????????????
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since AB is parallel to CD and EF is the transversal => angle AGH= angle GHD
because they are alternate interior angles .
=> 1/2*angle AGH= 1/2*angle GHD
=>angle LGH= angle GHM
but these two are alternate interior angles and if alternate interior angles are equal then the lines are parallel => GL is parallel to HM
because they are alternate interior angles .
=> 1/2*angle AGH= 1/2*angle GHD
=>angle LGH= angle GHM
but these two are alternate interior angles and if alternate interior angles are equal then the lines are parallel => GL is parallel to HM
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mark it brainlest plz
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