document.write( "Question 966014: The measures of the angles of a triangle are in the ratio of 1 : 3 : 5. Find the measure of the largest angle. \n" ); document.write( "
Algebra.Com's Answer #590460 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Let x be the measure of the first, the smallest angle of the triangle, in degrees.\r \n" ); document.write( "\n" ); document.write( "Then the measure of the second angle is 3x degrees, and the measure of the third angle is 5x degrees. \r \n" ); document.write( "\n" ); document.write( "In total, the sum of these three angles of the triangle is x + 3x + 5x = 9x degrees. \r \n" ); document.write( "\n" ); document.write( "From the other side, as you know, the sum of interior angles of any triangle is 180°.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It gives you an equation \r \n" ); document.write( "\n" ); document.write( "9x = 180°.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, x = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer. The smallest angle of the triangle is 20°. Two other angles are of 60° and 100°. The largest angle is of 100°.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |