document.write( "Question 37391: What are complementary and supplementary angles? The text book is by McDougal Littell. Middle school math. \n" ); document.write( "

Algebra.Com's Answer #23038 by fractalier(6550) $\"\"$ $\"About$

You can put this solution on YOUR website!
Complementary angles are angles which add up to 90 degrees, e.g. a 70 degree angles and a 20 degree angle.
\n" ); document.write( "Supplementary angles are angles which add up to 180 degrees, e.g. a 109 degree angle and a 71 degree angle. \n" ); document.write( "

\n" );