document.write( "Question 270130: A right triangle has one 21 degree angle. What are the other two angles? \n" ); document.write( "
Algebra.Com's Answer #198376 by papugai(18)\"\" \"About 
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The sum of all angles in any triangle is 180.
\n" ); document.write( "A right triangle has one 90 degree angle, and this given triangle also has a 21 degree angle. So you have two angles and one that you need to find.
\n" ); document.write( "Therefore you subtract 90 degrees and 21 degrees from 180 and you get 69 degrees.
\n" ); document.write( "Therefore the third angle is 69 degrees.
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