document.write( "Question 1159444: Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that
\n" ); document.write( "∠A1 is smaller than ∠A2.)
\n" ); document.write( "b = 128, c = 162, ∠B = 46°
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Algebra.Com's Answer #782472 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Solve triangle ABC. (If an answer does not exist, enter DNE)\r
\n" ); document.write( "\n" ); document.write( "< \"A%5B1%5D\" is smaller than < \"A%5B2%5D\"\r
\n" ); document.write( "\n" ); document.write( "\"b+=+128\", \"c+=+162\", < \"B+=+46\"°\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "use the Cosine Rule\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"cos%28B%29+=++%28c%5E2+%2B+a%5E2+-+b%5E2%29%2F%282ca%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%2846%29+=++%28162%5E2+%2B+a%5E2+-+128%5E2%29%2F%282%2A162a%29\"\r
\n" ); document.write( "\n" ); document.write( "\"0.694658370459=++%2826244+%2B+a%5E2+-+16384%29%2F%28324a%29\"\r
\n" ); document.write( "\n" ); document.write( "\"324a%2A0.694658370459=+a%5E2+%2B+9860\"\r
\n" ); document.write( "\n" ); document.write( "\"225.07a=+a%5E2+%2B+9860\"\r
\n" ); document.write( "\n" ); document.write( "\"+a%5E2-+225.07a%2B+9860=0\"-> use quadratic formula\r
\n" ); document.write( "\n" ); document.write( "\"a=+%28-%28-225.07%29+%2B-+sqrt%28+%28-225.07%29%5E2-4%2A1%2A9860+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28225.07+%2B-+sqrt%28+11216.5049%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28225.07+%2B-+105.91%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28225.07+%2B+105.91%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a=+165.5\"\r
\n" ); document.write( "\n" ); document.write( " or \r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28225.07+-+105.91%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=59.6\"\r
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\n" ); document.write( "\n" ); document.write( "< \"A%5B1%5D\" if \"a+=59.6\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"cos%28A%29+=++%28b%5E2+%2B+c%5E2+-+a%5E2%29%2F%282bc%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28A%29+=++%28128%5E2+%2B+162%5E2+-+59.6%5E2%29%2F%282%2A128%2A162%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28A%29+=0.9422222222222221\"\r
\n" ); document.write( "\n" ); document.write( "\"A=cos%5E-1%280.9422222222222221%29\"\r
\n" ); document.write( "\n" ); document.write( "\"A%5B1%5D=19.57\"° \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "< \"A%5B2%5D\" if \"a+=165.5\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28A%29+=++%28128%5E2+%2B+162%5E2+-+165.5%5E2%29%2F%282%2A128%2A162%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28A%29+=+0.3674225983796296\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=+cos%5E-1%280.3674225983796296%29\"\r
\n" ); document.write( "\n" ); document.write( "< \"A%5B2%5D=68.44\"° \r
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\n" ); document.write( "\n" ); document.write( "use both values of angle A to find which angle C will be your solution:\r
\n" ); document.write( "\n" ); document.write( "< \"C=180-%28A%5B1%5D%2BB%29\"
\n" ); document.write( "<\"+C=180-%2819.572%2B46%29\"
\n" ); document.write( "< \"C=114.43\"° \r
\n" ); document.write( "\n" ); document.write( "or
\n" ); document.write( "< \"C=180-%28A%5B1%5D%2BB%29\"
\n" ); document.write( "< \"C=180-%2868.44%2B46%29\"
\n" ); document.write( "< \"C=65.56+\"° \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "so, your solution is:\r
\n" ); document.write( "\n" ); document.write( "\"a=59.6\"
\n" ); document.write( "\"b+=+128+\"
\n" ); document.write( "\"c+=+162\"
\n" ); document.write( "< \"A=19.57\"°
\n" ); document.write( "< \"B+=+46\"°
\n" ); document.write( "< \"C=114.43\"°\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"a=165.5\"
\n" ); document.write( "\"b+=+128+\"
\n" ); document.write( "\"c+=+162\"
\n" ); document.write( "< \"A=68.44\"°
\n" ); document.write( "< \"B+=+46\"°
\n" ); document.write( "< \"C=65.56+\"°\r
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