document.write( "Question 171248: If two angles on a triangle are 40 degrees, what's the 3rd angle? \n" ); document.write( "
Algebra.Com's Answer #126409 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
The sum of angles of a (planar) triangle is 180 degs. Always.
\n" ); document.write( "40+40 = 80
\n" ); document.write( "180 - 80 = 100 degs
\n" ); document.write( "100 degs.
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