document.write( "Question 850601: a right triangle has a leg length 9. The hypotenuse is twice the length of the other leg. Determine the area of the triangle. \n" ); document.write( "
Algebra.Com's Answer #512244 by unlockmath(1688) You can put this solution on YOUR website! Hello, \n" ); document.write( "Let's first find the length of the other leg by using Pythagorean Formula: \n" ); document.write( "9^2 + x^2 = (2x)^2 \n" ); document.write( "81 = 3x^2 \n" ); document.write( "Divide by 3 and sq root: \n" ); document.write( "x = 5.2 (rounded off) \n" ); document.write( "Now that we know the length of the leg we use the triangle formula: \n" ); document.write( "1/2 (5.2)(9)= 23.4 sq units. \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " \n" ); document.write( " |