document.write( "Question 1157447: Find the area of each triangle
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document.write( "1st triangle - 12,18,20
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document.write( "2nd triangle- angle 37 degrees, side 11, side 8 \n" );
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Algebra.Com's Answer #780305 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For the first triangle, apply the Heron's formula.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "On Heron's formula, see the lesson\r \n" ); document.write( "\n" ); document.write( " - Proof of the Heron's formula for the area of a triangle \r \n" ); document.write( "\n" ); document.write( " - One more proof of the Heron's formula for the area of a triangle \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For the second triangle, use the formula for a triangle area\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " area = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "where \"a\" and \"b\" are the lengths of the two given sides of the triangle and \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |