document.write( "Question 1072109: If the sides of a parallelogram and an included angle are 5 ft, 10ft, 100 degrees, respectively, find the length of the shorter diagonal. \n" ); document.write( "
Algebra.Com's Answer #686999 by josgarithmetic(39620)\"\" \"About 
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That means each of the other two angles are measure 80 degrees. The shorter diagonal is opposite either of these 80 degree angles.\r
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\n" ); document.write( "\n" ); document.write( "d for the diagonal
\n" ); document.write( "\"d%5E2=10%5E2%2B5%5E2-2%2A5%2A10%2Acos%2880%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28100%2B25-100%2Acos%2880%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28125-100%2Acos%2880%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28d=5sqrt%285-4%2Acos%2880%29%29%29\"
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