document.write( "Question 140898: I would appreciate help with this problem. Thank you!
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Algebra.Com's Answer #102612 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
the supplements of equal angles are equal, so angle BAD equals angle CAD\r
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\n" ); document.write( "\n" ); document.write( "side AD is in both triangles and equals itself\r
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\n" ); document.write( "\n" ); document.write( "triangle BAD is congruent to triangle CAD by SAS\r
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\n" ); document.write( "\n" ); document.write( "the two angles are equal because they are corresponding parts of congruent triangles CPCT
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