document.write( "Question 667762: The three angles A, B, C of a triangle ABC if angle A exceeds twice angle B by 20 degrees.
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Algebra.Com's Answer #415144 by mananth(16946)\"\" \"About 
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Angle B = x\r
\n" ); document.write( "\n" ); document.write( "angle A = 2x+20\r
\n" ); document.write( "\n" ); document.write( "Angle C = 180 - (x+2x+20)
\n" ); document.write( "=180-x-2x-20
\n" ); document.write( "=160-3x\r
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