document.write( "Question 1185236: In ∆DEF, ∠D is a right angle and m∠F = 30. How\r
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Algebra.Com's Answer #816037 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "Since ∆DEF is a 30-6-90 right triangle\r\n" );
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document.write( "Substitute 2DE for FE\r\n" );
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document.write( "Since ∆DEF is a 30-6-90 right triangle\r\n" );
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document.write( "Edwin

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