document.write( "Question 995426: Two poles, A and B, are 12 meters apart. Pole A is 5 meters high. A rope 20 meters long is tied to the top of pole A and stretches to the top of pole B. What is the height of pole B? Assume that pole B is taller than pole A. \n" ); document.write( "
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\n" ); document.write( "Two poles, A and B, are 12 meters apart. Pole A is 5 meters high. A rope 20 meters long is tied to the top of pole A and stretches to the top of pole B. \r
\n" ); document.write( "\n" ); document.write( "What is the height of pole B? Assume that pole B is taller than pole A.
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\n" ); document.write( "\n" ); document.write( "Height(B) = Height(A) + x, where\r
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\n" ); document.write( "\n" ); document.write( "x = \"sqrt%2820%5E2+-+12%5E2%29\" = \"sqrt%28400+-+144%29\" = \"sqrt%28256%29\" = 16.\r
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\n" ); document.write( "\n" ); document.write( "Height(B) = 16 + 5 = 21 meters.\r
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