document.write( "Question 294119: Sketch the triangle and use the Law of Cosines to find the indicated value.
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\n" ); document.write( "\n" ); document.write( "Find the third side of a triangle with sides 19m and 16m and an included angle of 43 degrees.\r
\n" ); document.write( "\n" ); document.write( "I calculated it like an example in the book to the third side is 13.13m but I need help to sketch the triangle.
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Algebra.Com's Answer #212193 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Draw it like below.  Get a protractor and measure the 43° angle,\r\n" );
document.write( "then measure the sides, and mark them 19 and 16, and mark the \r\n" );
document.write( "side you were to find x,  The one below is pretty close to the \r\n" );
document.write( "right dimensions according to my computer screen.  So you could \r\n" );
document.write( "print it out and trace it. Or you could just put your paper up \r\n" );
document.write( "to the screen and trace it. \r\n" );
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document.write( "\"x%5E2=19%5E2%2B16%5E2-2%2A19%2A16%2Acos%28%2243%B0%22%29\"\r\n" );
document.write( "\"x%5E2=361%2B256-608%2A0.7313537016\"\r\n" );
document.write( "\"x%5E2=361%2B256-608%2A0.7313537016\"\r\n" );
document.write( "\"x%5E2=172.3369494\"\r\n" );
document.write( "\"x=sqrt%28172.3369494%29\"\r\n" );
document.write( "\"x=13.12771684\"\r\n" );
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document.write( "Looks like your answer 13.13 is right on the money!\r\n" );
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document.write( "Edwin
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