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)\"\" \"About 
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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
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\n" ); document.write( "\n" ); document.write( "Ladder is hypotenuse of the larger triangle.\r
\n" ); document.write( "\n" ); document.write( "\"h%5E2=8%5E2%2B12%5E2\"\r
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