document.write( "Question 400480: Given the following values, the value of c is ________.
\n" ); document.write( "b = 4.5 ft
\n" ); document.write( "a = 10 ft
\n" ); document.write( "C = 105
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Algebra.Com's Answer #283497 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
Cosine Law: \"c%5E2+=+a%5E2+%2B+b%5E2+-+2abcosC\"
\n" ); document.write( "==> \"c%5E2+=+10%5E2+%2B+4.5%5E2+-+2%2A10%2A4.5cos105\"
\n" ); document.write( "==> \"c%5E2+=+143.5437141\" ==> c = 11.981, to 3 decimal places.
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