document.write( "Question 184487: 6.
\n" ); document.write( "In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?
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Algebra.Com's Answer #138475 by checkley77(12844)\"\" \"About 
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A=3B GIVEN
\n" ); document.write( "A+B=90
\n" ); document.write( "REPLACE A WITH (3B) & SOLVE FOR B.
\n" ); document.write( "3B+B=90
\n" ); document.write( "4B=90
\n" ); document.write( "B=90/4
\n" ); document.write( "B=2.5 ANS.
\n" ); document.write( "A=3*22.5
\n" ); document.write( "A=67.5 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "22.5+67.5=90
\n" ); document.write( "90=90
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