document.write( "Question 1042355: Find the area of the triangle whose sides have the given length.\r
\n" ); document.write( "\n" ); document.write( "a=7 \r
\n" ); document.write( "\n" ); document.write( "b=8\r
\n" ); document.write( "\n" ); document.write( "c=9
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Algebra.Com's Answer #657334 by ikleyn(53765)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Use the Heron's formula.\r
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\n" ); document.write( "\n" ); document.write( "See the lessons \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
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