document.write( "Question 436465: legs of a right triangle have lengths x + 4 and x+ 7. The hypoetnuse has length 3x. Find the perimeter of the triangle. answer choices: a. 36 units, B. 33 units and C. 31 units \n" ); document.write( "
Algebra.Com's Answer #301969 by robertb(5830)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "<==> \n" ); document.write( "<==> \n" ); document.write( "(x-5)(7x +13) = 0 \n" ); document.write( "==> x = 5, -13/7. \n" ); document.write( "Choose only 5.\r \n" ); document.write( "\n" ); document.write( "The sides of the triangle are 9, 12, and 15. \n" ); document.write( "The perimeter is 36 units. \n" ); document.write( " |