document.write( "Question 356143: the sail abc has side length a-b = 5 metres b-c = 6 metres and a-c=7 metres what is the area \n" ); document.write( "

Algebra.Com's Answer #254216 by mananth(16946) $\"\"$ $\"About$

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the sail abc has side length a-b = 5 metres b-c = 6 metres and a-c=7 metres what is the area
\n" ); document.write( "sides are 5,6,7
\n" ); document.write( "sum of all sides = 18
\n" ); document.write( "1/2 perimeter = 9 =s
\n" ); document.write( "...
\n" ); document.write( " $\"Area+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29\"$
\n" ); document.write( " $\"Area+=+sqrt%289%289-5%29%289-6%29%289-7%29%29\"$
\n" ); document.write( " $\"Area+=sqrt%28%289%2A4%2A3%2A2%29%29\"$
\n" ); document.write( " $\"area+=+sqrt%28216%29\"$
\n" ); document.write( "area = 14.7 m^2 \n" ); document.write( "

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