document.write( "Question 437273: a triangle has sides, in cm, of 3, 5 and 6. Use a=3, b=5 and c=6 to work out the area of this triangle. \n" ); document.write( "
Algebra.Com's Answer #302576 by Alan3354(69443)\"\" \"About 
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a triangle has sides, in cm, of 3, 5 and 6. Use a=3, b=5 and c=6 to work out the area of this triangle.
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\n" ); document.write( "Use Heron's Law:
\n" ); document.write( "\"Area+=+sqrt%28s%28s-a%29%28s-b%29s-c%29%29\" s = perimeter/2 = 7
\n" ); document.write( "\"Area+=+sqrt%287%2A1%2A2%2A4%29+=+sqrt%2856%29\"
\n" ); document.write( "Area =~ 7.483 sq cm\r
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