document.write( "Question 129026: The area of a rectangle is 200 sq cm and one dimension is 25 cm. Find the length of a diagonal of the rectangle (to the nearest whole number). \n" ); document.write( "
Algebra.Com's Answer #94331 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 25x=200 \n" ); document.write( "x=200/25 \n" ); document.write( "x=8 for the other dimention of the rectangle. \n" ); document.write( "Now you have a right triangle with sides of 25 & 8. \n" ); document.write( "So we find the hypotenuse (diagonal) using the pythagorean equation. \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "8^2+25^2=h^2 \n" ); document.write( "64+625=h^2 \n" ); document.write( "689=h^2 \n" ); document.write( "h=sqrt689 \n" ); document.write( "h=26 cm is the length of the hypotenuse (diagonal). \n" ); document.write( " |