document.write( "Question 1010990: I need help solving this with the pythagorean theorem.
\n" ); document.write( "a ladder is leaning against a building so that the distance from the ground to the top of the ladder is 9 feet less than the length of the ladder. Find the length of the ladder if the distance from the bottom of the ladder to the building is 15 feet
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Algebra.Com's Answer #626521 by MathLover1(20850)\"\" \"About 
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let
\n" ); document.write( "the length of the ladder be \"c\"
\n" ); document.write( "the distance from the ground to the top of the ladder \"a\"
\n" ); document.write( " the distance from the bottom of the ladder to the building \"b\"\r
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\n" ); document.write( "\n" ); document.write( "if the distance from the ground to the top of the ladder is \"a\" is\"9ft\" less than the length of the ladder \"c\", we have
\n" ); document.write( " \"a=c-9ft\"\r
\n" ); document.write( "\n" ); document.write( "if the distance from the bottom of the ladder to the building is \"b=15ft\", we have \r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=a%5E2%2Bb%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=%28c-9%29%5E2%2B%2815%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=c%5E2-18c%2B81%2B225\"\r
\n" ); document.write( "\n" ); document.write( "\"cross%28c%5E2%290=cross%28c%5E2%29-18c%2B306\"\r
\n" ); document.write( "\n" ); document.write( "\"18c=306\"\r
\n" ); document.write( "\n" ); document.write( "\"c=306%2F18\"\r
\n" ); document.write( "\n" ); document.write( "\"c=17\"
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