document.write( "Question 958981: Given : Angle A and Angle B are supplementary; Angle A = 4(Angle B)
\n" ); document.write( "Prove : Angle D =36 degrees \n" ); document.write( "

Algebra.Com's Answer #586092 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2BB%2B180\"$ Definition of supplementary
\n" ); document.write( " $\"A=4B\"$ Given
\n" ); document.write( "Substitute,
\n" ); document.write( " $\"4B%2BB=180\"$
\n" ); document.write( " $\"5B=180\"$
\n" ); document.write( " $\"B=180%2F5\"$
\n" ); document.write( " $\"B=36\"$
\n" ); document.write( " \n" ); document.write( "

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