document.write( "Question 1131839: A 52​-ft-wide house has a roof with a 6​-12 pitch​ (the roof rises 6 ft for a run of 12​ ft). The owner plans a 18​-ft-wide addition that will have a 3​-12 pitch to its roof. Find the lengths of AB overbar and BC overbar in the accompanying figure. \n" ); document.write( "
Algebra.Com's Answer #748599 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"tan%28gamma%29=6%2F12\"\r
\n" ); document.write( "\n" ); document.write( "\"gamma=tan%5E-1%286%2F12%29\"\r
\n" ); document.write( "\n" ); document.write( "\"gamma=26.57\"°\r
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\n" ); document.write( "\n" ); document.write( "\"tan%28alpha%29=3%2F12\"\r
\n" ); document.write( "\n" ); document.write( "\"alpha=tan%5E-1%283%2F12%29\"\r
\n" ); document.write( "\n" ); document.write( "\"alpha=14.04\"°\r
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\n" ); document.write( "\n" ); document.write( "\"beta=180-gamma\"°\r
\n" ); document.write( "\n" ); document.write( "\"beta=180-26.57\"°\r
\n" ); document.write( "\n" ); document.write( "\"beta=153.43\"°\r
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\n" ); document.write( "\n" ); document.write( "\"delta=180-%28beta%2Balpha%29\"°\r
\n" ); document.write( "\n" ); document.write( "\"delta=180-%28153.43%2B14.04%29\"°\r
\n" ); document.write( "\n" ); document.write( "\"delta=180-167.47\"°\r
\n" ); document.write( "\n" ); document.write( "\"delta=12.53\"°\r
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\n" ); document.write( "\n" ); document.write( "\"AB%2Fsin%28153.43%29=14%2Fsin%2812.53%29\"\r
\n" ); document.write( "\n" ); document.write( "\"AB=14sin%28153.43%29%2Fsin%2812.53%29\"\r
\n" ); document.write( "\n" ); document.write( "\"AB=6.26207%2F0.216951\"\r
\n" ); document.write( "\n" ); document.write( "\"AB\"\"28.9ft\"\r
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\n" ); document.write( "\n" ); document.write( "\"BC%2Fsin%2814.04%29=14%2Fsin%2812.53%29\"\r
\n" ); document.write( "\n" ); document.write( "\"BC=14sin%2814.04%29%2Fsin%2812.53%29\"\r
\n" ); document.write( "\n" ); document.write( "\"BC=3.39639%2F0.216951\"\r
\n" ); document.write( "\n" ); document.write( "\"BC\"\"+15.7ft\"\r
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