document.write( "Question 1202629: The angles of a triangle add up to 180 degrees.\r
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document.write( "The second angle is 20 degrees larger than the smallest angle.\r
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document.write( "The third angle is 2 times as big as the smallest angle.\r
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document.write( "Find the measure of the smallest angle (in degrees). \n" );
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Algebra.Com's Answer #837577 by ikleyn(52778)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "The basic equation is OBVIOUS to anybody, even without explanations\r\n" ); document.write( "\r\n" ); document.write( " x + (x+20) + 2x = 180 degrees.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and find x\r\n" ); document.write( "\r\n" ); document.write( " 4x + 20 = 180\r\n" ); document.write( "\r\n" ); document.write( " 4x = 180 - 20\r\n" ); document.write( "\r\n" ); document.write( " 4x = 160\r\n" ); document.write( "\r\n" ); document.write( " x = 160/4 = 40 degrees.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. The smallest angle is 40 degrees.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |