document.write( "Question 1040442: Find the area of a triangle whose sides are are 8cm,7vm and 5cm. \n" ); document.write( "
Algebra.Com's Answer #655250 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "Use the Heron 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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