Write a paragraph proof?

enter image source here
please help :)

1 Answer
Feb 15, 2018

Please see below.

Explanation:

In #DeltasFGH# and #HIJ#, we have

#bar(GH)~=bar(JH)#,

#bar(FH)~=bar(HI)# and

#m/_GHF~=m/_JHI# (vertically opposite angles)

#:.DeltaFGH-=DeltaHIJ#

and #bar(FG)~=bar(JI)# (both opposite equal angles #/_GHF# and #/_JHI#