document.write( "Question 586269: angle D=110 degrees, angle F=30 degrees, angle E=?. What is the measure of angle DEF? Thank u\r
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Algebra.Com's Answer #373677 by stanbon(75887)\"\" \"About 
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D=110 degrees, angle F=30 degrees, angle E=?. What is the measure of angle DEF?
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\n" ); document.write( "E + D + F = 180 degrees
\n" ); document.write( "E + 110 + 30 = 180
\n" ); document.write( "E + 140 = 180
\n" ); document.write( "E = 40 degrees
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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