document.write( "Question 395858: In the puzzle below…\r
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document.write( " * lines line a and line b are parallel.
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document.write( " * lines line c and line d are parallel.
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document.write( " * line line d is perpendicular to line line e.\r
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document.write( "Find the measures of angles 1–15.
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document.write( "Explanations are needed. Pleas and thankyou\r
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Algebra.Com's Answer #280940 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! m=130 \n" ); document.write( "therefore angle 1 =130 degrees \n" ); document.write( "if angle 1=130, angle 11=50 degrees \n" ); document.write( "angle 9 180-(50+90)=40 degrees \n" ); document.write( "angle 15 180-40=140 degrees \n" ); document.write( " |