document.write( "Question 1019261: sketch a quadrilateral EFGH. Mark in ∠GEF =50°,∠FGE=50°,
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Algebra.Com's Answer #635224 by Edwin McCravy(20081) $\"\"$ $\"About$

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sketch a quadrilateral EFGH. Mark in ∠GEF =50°,∠FGE=50°,
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document.write( "∠EFG + ∠GEF + ∠FGE = 180°\r\n" );
document.write( "∠EFG +  50° +   50° = 180°\r\n" );
document.write( "        ∠EFG + 100° = 180°\r\n" );
document.write( "               ∠EFG = 180° - 100°\r\n" );
document.write( "               ∠EFG = 80°\r\n" );
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document.write( "∠HEG + ∠EGH + ∠EHG = 180°\r\n" );
document.write( "∠HEG +  40° +   90° = 180°\r\n" );
document.write( "        ∠HEG + 130° = 180°\r\n" );
document.write( "               ∠HEG = 180° - 130°\r\n" );
document.write( "               ∠HEG = 50°\r\n" );
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document.write( "Edwin

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