Answers

2016-03-19T19:48:50+05:30
Draw perpendicular from G&E suppose GP&EQ
in these triangles
since ar(dfg)=ar (dfe)
so gp=eq
angle (gpo)=angle (efo)
(each 90)
and vertically angles equal
by SAS
these are congruent
by cpct
GO=OE
hence DF BISECT GE
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