document.write( "Question 992331: The angles of triangles are in the ratio 2:4:3. Find the smallest angle of the triangle \n" ); document.write( "
Algebra.Com's Answer #611953 by Edwin McCravy(20063)\"\" \"About 
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document.write( "2:4:3 = A:B:C\r\n" );
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document.write( "\"2%2F%282%2B4%2B3%29=A%2F%28A%2BB%2BC%29\", \"4%2F%282%2B4%2B3%29=B%2F%28A%2BB%2BC%29\", \"3%2F%282%2B4%2B3%29=C%2F%28A%2BB%2BC%29\"\r\n" );
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document.write( "and since A+B+C=180°, the above proportions are:\r\n" );
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document.write( "\"2%2F9=A%2F%22180%B0%22\", \"4%2F9=B%2F%22180%B0%22\", \"3%2F9=C%2F%22180%B0%22\"\r\n" );
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document.write( "Cross-multiplying,\r\n" );
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document.write( "\"9A=%22360%B0%22\", \"9B=%22720%B0%22\", \"9C=%22540%B0%22\"\r\n" );
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document.write( "\"A=%2240%B0%22\", \"B=%2280%B0%22\", \"C=%2260%B0%22\"\r\n" );
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document.write( " \r\n" );
document.write( "Edwin
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