document.write( "Question 846586: andrea needs to place a 20 ft ladder against a building so that it reaches a window 16 ft above the ground. how far from the building should she place the base of the ladder? \n" ); document.write( "
Algebra.Com's Answer #509820 by richwmiller(17219)\"\" \"About 
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This is a 4 times multiple of the 3,4,5 right triangle
\n" ); document.write( "12,16,20
\n" ); document.write( "so the base is 12\r
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