document.write( "Question 273651: Given triangle ABC what is the sum of the supplements of all three exterior angles of the triangle? \n" ); document.write( "
Algebra.Com's Answer #199869 by richwmiller(17219)\"\" \"About 
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supplements add up to 180
\n" ); document.write( "let's take an isosceles triangle of 60 60 60
\n" ); document.write( "the supplements will be be 120 120 120 which add up to 360
\n" ); document.write( "360 is the sum of the supplements of the interior angles
\n" ); document.write( "but the question asks for the sum of the supplements of the exterior angles.
\n" ); document.write( "which means what is the sum of the interior angles which is 180
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