document.write( "Question 983075: In the figure below, BD = DC, DE = EC, and DE || BC. If angle A = 60°, then angle B =\r
\n" ); document.write( "\n" ); document.write( "a. 400
\n" ); document.write( "b. 520
\n" ); document.write( "c. 600
\n" ); document.write( "d. 720
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Algebra.Com's Answer #603878 by Fombitz(32388)\"\" \"About 
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