document.write( "Question 427981: What integer is closest to the area of a triangle whose sides are 5, 6, and 7 units? \n" ); document.write( "
Algebra.Com's Answer #297558 by richard1234(7193)\"\" \"About 
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Using Heron's formula, the semiperimeter is equal to 9, and the area is\r
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\n" ); document.write( "\n" ); document.write( "\"A+=+sqrt%28%289%29%289-5%29%289-6%29%289-7%29%29+=+sqrt%28216%29\". This is roughly 14.697, so the integer closest to the area is 15.
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