document.write( "Question 1031994: A brace for a shelf has the shape of a right triangle. Its hypotenuse is 20 inches long and the two legs are equal in length. How long are the legs of the triangle? \n" ); document.write( "
Algebra.Com's Answer #646691 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make the two legs = x \n" ); document.write( "By Pythagoras Theorem \n" ); document.write( "x^2 + x^2 = 20^2 \n" ); document.write( "2x^2 = 400 \n" ); document.write( "x^2 = 400/2 \n" ); document.write( "x^2 = 200 \n" ); document.write( "x = √200 \n" ); document.write( "x = 14.14 inches (2 decimal places) \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |