document.write( "Question 1133263: PQR is a triangle, given that /PQ/=15m, /QR/=17m and /RP/=18m. Find the area of the triangle to the nearest whole number. \n" ); document.write( "
Algebra.Com's Answer #750435 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Use the Heron's formula.\r
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\n" ); document.write( "\n" ); document.write( "On Heron's formula, 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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