document.write( "Question 537067: A 18-foot ladder leans against a wall at a 74 degree angle of elevation. Find the distance from the ladder's base to the wall. \n" ); document.write( "
Algebra.Com's Answer #352713 by nerdybill(7384) You can put this solution on YOUR website! A 18-foot ladder leans against a wall at a 74 degree angle of elevation. Find the distance from the ladder's base to the wall. \n" ); document.write( ". \n" ); document.write( "Let x = distance (base to wall) \n" ); document.write( ". \n" ); document.write( "Applying trigonometry: \n" ); document.write( "cos x = adjacent/hypotenuse \n" ); document.write( "cos(74) = x/18 \n" ); document.write( "18*cos(74) = x \n" ); document.write( "4.96 feet = x \n" ); document.write( "or approximately: \n" ); document.write( "5 feet = x \n" ); document.write( " \n" ); document.write( " |