document.write( "Question 849802: if angle H and angle J are supplementary and angle H is twice the measure of angle J which of these is m\n" ); document.write( "

Algebra.Com's Answer #511789 by Fombitz(32388) $\"\"$ $\"About$

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$\"H%2BJ=180\"$
\n" ); document.write( " $\"H=2J\"$
\n" ); document.write( "Substitute into the first equation,
\n" ); document.write( " $\"2J%2BJ=180\"$
\n" ); document.write( " $\"3J=180\"$
\n" ); document.write( " $\"J=60\"$
\n" ); document.write( " $\"H=2J=2%2860%29=120\"$ \n" ); document.write( "

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