document.write( "Question 983867: Find C in the following triangle, if it exist.
\n" ); document.write( "a= 31m, b=42m, c=60m
\n" ); document.write( "(Enter your answer rounded to the nearest ten minutes.)\r
\n" ); document.write( "\n" ); document.write( "Thank you.
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Algebra.Com's Answer #604647 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Same problem, different angle.
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\n" ); document.write( "Find B in the following triangle, if it exist.
\n" ); document.write( "a= 31m, b=42m, c=60m
\n" ); document.write( "(Enter your answer rounded to the nearest ten minutes.)
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\n" ); document.write( "Use the Cosine Law:
\n" ); document.write( "\"b%5E2+=+a%5E2+%2B+c%5E2+-+2ac%2Acos%28B%29\"
\n" ); document.write( "\"1764+=+961+%2B+3600+-+3720%2Acos%28B%29\"
\n" ); document.write( "cos(B) =~ 0.75188172
\n" ); document.write( "B =~ 41º10'
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