document.write( "Question 1099022: What steps do you take for the proof: Given: segment JK is congruent to segment ML; segment JM is congruent to segment KL. and prove: angle J is congruent to angle L? \n" ); document.write( "
Algebra.Com's Answer #713428 by ikleyn(52817)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "In a normal geometric language this statements says:\r
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document.write( "    If in a quadrilateral the opposite sides are congruent, then the opposite angles are congruent.\r\n" );
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\n" ); document.write( "\n" ); document.write( "If you know the basic facts of Geometry, then the proof is in two steps:\r
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document.write( "    1.  If in a quadrilateral the opposite sides are congruent, then the quadrilateral is a parallelogram.\r\n" );
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document.write( "        For the proof, see the lesson \r\n" );
document.write( "            Properties of the sides of a parallelogram, Theorem 2\r\n" );
document.write( "        in this site.\r\n" );
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document.write( "    2.  In a parallelogram, the opposite angles are congruent.\r\n" );
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document.write( "        For the proof, see the lesson \r\n" );
document.write( "            Opposite angles of a parallelogram, Theorem 1\r\n" );
document.write( "        in this site.\r\n" );
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\n" ); document.write( "In this site,  you have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( "    GEOMETRY - YOUR ONLINE TEXTBOOK \r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic  \"Properties of parallelograms\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in GEOMETRY
\n" ); document.write( "https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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