document.write( "Question 1013188: ``Given WX is congruent to YX\r
\n" ); document.write( "\n" ); document.write( "Z is the midpoint of WY\r
\n" ); document.write( "\n" ); document.write( "Prove angle W is congruent to Angle\r
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Algebra.Com's Answer #629412 by ikleyn(52915)\"\" \"About 
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\n" ); document.write( "``Given WX is congruent to YX\r
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\n" ); document.write( "\n" ); document.write( "The standard formulation of this statement in Geometry is:\r
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\n" ); document.write( "\n" ); document.write( "In an isosceles triangle the angles at the base are congruent.\r
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\n" ); document.write( "\n" ); document.write( "For the proof, see the lesson Isosceles triangles in this site.\r
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