document.write( "Question 1075690: A triangular parcel of land has the border lengths of \"+55+\" meters, \"+85+\" meters, and \"+100+\" meters. What's the area of this parcel of land? Thank you. \n" ); document.write( "
Algebra.Com's Answer #690349 by ikleyn(52797)\"\" \"About 
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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 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
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( "    GEOMETRY - YOUR ONLINE TEXTBOOK \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part if this textbook under the topic \"Area of triangles\".\r
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