document.write( "Question 373463: Please help I have tired several times with this problem. I know the angles (back of the book) but I can't understand how got their answers. \r
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document.write( "Here is the question: The second angle in a triangle is five times as large as the first. The third angle is two-thirds as large as the first. What are the angle measures?
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document.write( "x+5x+x
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document.write( "7x=180
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document.write( "=wrong \n" );
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Algebra.Com's Answer #265891 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The second angle in a triangle is five times as large as the first. \n" ); document.write( "The third angle is two-thirds as large as the first. \n" ); document.write( " What are the angle measures? \n" ); document.write( ": \n" ); document.write( "Let x = the 1st angle \n" ); document.write( "then \n" ); document.write( "5x = 2nd angle \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "x + 5x + \n" ); document.write( "6x + \n" ); document.write( "multiply each term by 3 to get rid of the denominator \n" ); document.write( "18x + 2x = 3(180) \n" ); document.write( "20x = 540 \n" ); document.write( "x = \n" ); document.write( "x = 27 degrees is the 1st angle \n" ); document.write( "I think you can find the other angles \n" ); document.write( " |