document.write( "Question 1137366: A building is 1 ft from a 9-ft fence that surrounds the property. A worker wants to wash a window in the building 12 ft from the ground. He plans to place a ladder over the fence so it rests against the building. (See the figure.) He decides he should place the ladder 7 ft from the fence for stability. To the nearest tenth of a foot, how long a ladder will he need? \n" ); document.write( "
Algebra.Com's Answer #755232 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Two similar triangles\r \n" ); document.write( "\n" ); document.write( "smaller triangle ground leg 7, vertical leg 9\r \n" ); document.write( "\n" ); document.write( "larger triangle ground leg 7+1=8, vertical leg 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Ladder is hypotenuse of the larger triangle.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( " |