document.write( "Question 879347: I have a law of cosines question: \r
\n" ); document.write( "\n" ); document.write( "One side is 4cm and another is 5cm (this is NOT a right triangle).
\n" ); document.write( "the angle between the sides is 50 degrees.
\n" ); document.write( "I need to find the other side and the two other angles. Im guessing I use law of cosines and law of sines. Whenever I use law of cosines I get 1.5 for the other side which doesnt make sense. What am I doing wrong?
\n" ); document.write( "Also, i need to find the area of this triangle. \n" ); document.write( "

Algebra.Com's Answer #530694 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "This is a case of SAS, so we use the law of cosines.\r\n" );
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document.write( "You can either finish by using the law of sine or \r\n" );
document.write( "you can use the law of cosines again.\r\n" );
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document.write( "You already have c² = 15.28849561\r\n" );
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document.write( "A = 78.4024367\r\n" );
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document.write( "Then to find C add those angles and subtract from 180°\r\n" );
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document.write( "B = 51.5975633\r\n" );
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document.write( "Edwin

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