document.write( "Question 624227: A triangle has sides measuring 5, 12, and 15 units. Find all the angles of the triangle to the nearest tenth of a degree.\r
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document.write( "I beleive it's a SSS Triangle
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document.write( "b^2=a^2=+C^2-2ac COS B
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document.write( "Cos B=12^2+15^2-5^2/2(12)(15) =144+225-25/360
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document.write( "=344/360
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document.write( "B=17.14
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document.write( "Sin A=12Sin17.14/5=0.7056
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document.write( "A=45
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document.write( "C117.9 \n" );
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Algebra.Com's Answer #392577 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A triangle has sides measuring 5, 12, and 15 units. Find all the angles of the triangle to the nearest tenth of a degree. \n" ); document.write( "---------------- \n" ); document.write( "It is SSS. \n" ); document.write( "======================\r \n" ); document.write( "\n" ); document.write( "17.1 degs \n" ); document.write( "45.0 degs \n" ); document.write( "117.8 degs\r \n" ); document.write( "\n" ); document.write( "according to my Excel sheet \n" ); document.write( " |