document.write( "Question 1086181: A 40-ft ladder is leaning against a wall. If the ladder reaches 20 ft up the wall,how far away from the base of the wall is the foot of the ladder? \n" ); document.write( "
Algebra.Com's Answer #700359 by rfer(16322)\"\" \"About 
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a^2+20^2=40^2
\n" ); document.write( "a^2+400=1600
\n" ); document.write( "a^2=1600-400
\n" ); document.write( "a^2=1200
\n" ); document.write( "sqrt1200=34.64 ft
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