document.write( "Question 991894: find the measure of angle A
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Algebra.Com's Answer #611612 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I assume you mean that those three angles are angles of\r\n" );
document.write( "a triangle,\r\n" );
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document.write( "Since the sum of the three angles of any triangle is 180°,\r\n" );
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document.write( "We indicate their sum and set it equal to 180°\r\n" );
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document.write( "(x+64°)+(x+84°)+40° = 180°\r\n" );
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document.write( "Solve that and get x = -4°\r\n" );
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document.write( "Then use that value of x to find angle A.  We can't help\r\n" );
document.write( "you any further because we don't know what angle is\r\n" );
document.write( "represented by A.\r\n" );
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document.write( "Edwin

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