document.write( "Question 251280: In a triangle, the measures of the angles are (x-25)degrees, (3x-15) degrees\r
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document.write( "and (2/5 x)degrees What is the measure of the smallest angle?\r
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document.write( "a) 20 degrees b) 25 degrees c) 35 degrees, d) 40 degrees e) 50 degrees \n" );
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Algebra.Com's Answer #183040 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x-25+3x-15+ 2x/5=180 \n" ); document.write( "4x-40 + 2x/5 =180 \n" ); document.write( "4x + 2x/5 = 220 \n" ); document.write( "20x+2x=1100 multiply each side by 5. \n" ); document.write( "22x=1100 \n" ); document.write( "x=50 \n" ); document.write( "2*50/5=20 deg (smallest angle) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |