document.write( "Question 1000718: Given: GH is parallel to KL; GJ is congruent to KJ
\n" ); document.write( "Prove: J is the midpoint of HL\r
\n" ); document.write( "\n" ); document.write( "The shape is an hour glass figure. GH on the left side J in the middle and LK on the right side. \r
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\n" ); document.write( "\n" ); document.write( "All I have so far are the 2 givens. I know the 2 triangles are congruent but I don't know how to proof it.
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Algebra.Com's Answer #618081 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
G=======K
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\n" ); document.write( "H=======L
\n" ); document.write( "Angle JGK is congruent to angle JLK (alternate interior angles)
\n" ); document.write( "GJH is congruent to LJK (Vertical angles).
\n" ); document.write( "GJ=JL (given)
\n" ); document.write( "You have angle-side angle.
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