document.write( "Question 146958: Diagnal brace. The width of a retangular gate is 2 meters (m) larger than its heiht. The diagonal brace measures (Square root) 6 m. Find the width and height. \n" ); document.write( "
Algebra.Com's Answer #107569 by edjones(8007)![]() ![]() You can put this solution on YOUR website! We have a right triangle of height h, width h+2, and hypotenuse sqrt(6). \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "h^2+(h+2)^2=sqrt(6)^2 \n" ); document.write( "h^2+h^2+4h+4=6 \n" ); document.write( "2h^2+4h-2=0 \n" ); document.write( "2(h^2+2h-1)=0 \n" ); document.write( "h^2+2h =1 \n" ); document.write( "h^2+2h+1=1+1 completing the square. \n" ); document.write( "(h+1)^2=2 \n" ); document.write( "h+1=+-sqrt(2) Square root of each side. \n" ); document.write( "h= -1+sqrt(2) m \n" ); document.write( "w= 1+sqrt(2) m \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |