document.write( "Question 717041: in the accompanying diagram of parallelogram ABCD, m angle B=5x, and m angle c=2x+12.
\n" ); document.write( "Find the number of degrees in < d.\r
\n" ); document.write( "\n" ); document.write( "Is this the right approach? \"2x%2B12%2B5x=180\"
\n" ); document.write( " \"12%2B6x=180\"
\n" ); document.write( " \"6x=168\"
\n" ); document.write( " \"x=28\"\r
\n" ); document.write( "\n" ); document.write( "then
\n" ); document.write( " \"B=5x=5%2828%29=140\"
\n" ); document.write( "and then angle d is equal or congruent to angle B so the answer is 140
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Algebra.Com's Answer #853183 by MathTherapy(10620)\"\" \"About 
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document.write( "in the accompanying diagram of parallelogram ABCD, m angle B=5x, and m angle c=2x+12. \r\n" );
document.write( "Find the number of degrees in < d.\r\n" );
document.write( "\r\n" );
document.write( "Is this the right approach? \"2x%2B12%2B5x=180\"\r\n" );
document.write( "                             \"12%2B6x=180\"\r\n" );
document.write( "                               \"6x=168\"\r\n" );
document.write( "                                \"x=28\"\r\n" );
document.write( "\r\n" );
document.write( "then\r\n" );
document.write( "                 \"B=5x=5%2828%29=140\"\r\n" );
document.write( "and then  angle d is equal or congruent to angle B so the answer is 140\r\n" );
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document.write( "    2x + 12 + 5x = 180\r\n" );
document.write( "         7x + 12 = 180\r\n" );
document.write( "              7x = 168  <=== Should be THIS, instead of 6x = 168  \r\n" );
document.write( "So, \"x\" actually = \"168%2F7\" = 24o\r\n" );
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document.write( "     So, ∠B = 5x = 5(24o) = 120o\r\n" );
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document.write( "As opposite ∠s of a parallelogram are CONGRUENT, ∠B = ∠D = 120o, also.
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