document.write( "Question 1135788: This problem refers to triangle ABC.\r
\n" ); document.write( "\n" ); document.write( "If a = 100 inches, b = 62 inches, and C = 60°, find c. (Round your answer to the nearest whole number.)\r
\n" ); document.write( "\n" ); document.write( "c = in
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Algebra.Com's Answer #753465 by MathLover1(20850)\"\" \"About 
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If \"a+=+100\" inches, \"b+=+62\" inches, and \"C+=+60\"°, find \"c\". \r
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\n" ); document.write( "\n" ); document.write( "use law of cosine\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=a%5E2%2Bb%5E2-2ab%2Acos%28C%29\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=100%5E2%2B62%5E2-2%2A100%2A62%2Acos%2860%29\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=10000%2B3844-12400%2A0.5\"\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=7644\"\r
\n" ); document.write( "\n" ); document.write( "\"c=sqrt%287644%29\"\r
\n" ); document.write( "\n" ); document.write( "\"c=87.43\"\r
\n" ); document.write( "\n" ); document.write( "\"c\"\"87\" inches\r
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