document.write( "Question 1061383: One acute angle of a right triangle is 36 degrees more than twice the other angle write an equation that can be used to find the measure of the smaller angle \n" ); document.write( "
Algebra.Com's Answer #676156 by Theo(13342)![]() ![]() You can put this solution on YOUR website! let y be the smaller angle. \n" ); document.write( "let x be the larger angle.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first equation is x = 2y + 36 \n" ); document.write( "second equation is x + y = 90\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve these two euations simultaneously and you get the answer you need.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y = 90 because these are two acute angles of a right triangle.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2y + 36 because the larger angle is 36 more than 2 times the smaller angle.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace x in the second equation by 2y + 36 from the first equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2y + 36 + y = 90\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get 3y + 36 = 90\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 36 from both sides of this equation to get 3y = 90 - 36\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get 3y = 54.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for y to get y = 18.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the larger angles is twice this plus 36 which makes the larger angle equal to 72 degrees.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "18 + 72 = 90 degrees which confirms the solution is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the solution is that the smaller angle is equal to 18 degrees.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |