document.write( "Question 107259: The first angle of a triangle is 15 degrees more than the second triangle. The third angle of a triangle is three times the second angle. Use x to represent the unknown Value.\r
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document.write( "? The first angle
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document.write( "? the second angle
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document.write( "? the third angle \n" );
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Algebra.Com's Answer #78061 by scott8148(6628) You can put this solution on YOUR website! let x=second, so x+15=first and 3x=third\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+(x+15)+(3x)=180 \n" ); document.write( " |