document.write( "Question 179764: one angle of a triangle is 20 degrees., How large is the angle formed by the bisector of the other two angles? \n" ); document.write( "
Algebra.Com's Answer #134671 by Mathtut(3670)\"\" \"About 
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lets call our angles a,b and c . we will call angle a=20. since this is a bisector then b=c. we know that a+b+c=180
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\n" ); document.write( "a=20.........eq 1
\n" ); document.write( "b=c..........eq 2
\n" ); document.write( "a+b+c=180....eq 3
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\n" ); document.write( "take value of a which is 20 from eq 1 and the fact that b=c and plug that into eq 3
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\n" ); document.write( "20+b+b=180
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\n" ); document.write( "2b=160
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\n" ); document.write( "\"highlight%28b=80%29\"degrees
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\n" ); document.write( "solver is correct it would be
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\n" ); document.write( "it is the angle formed by the bisectors they are after here.
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\n" ); document.write( "That would be 180-(80/2)-(80/2)=100 degrees
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