document.write( "Question 267797: find the area of triangleABC if a=5, b=8, c=10 \n" ); document.write( "
Algebra.Com's Answer #196424 by palanisamy(496)\"\" \"About 
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Given, a=5, b=8 and c=10
\n" ); document.write( "Let s = (a+b+c)/2
\n" ); document.write( " s = (5+8+10)/2 = 11.5
\n" ); document.write( "Area of the triangle = Sqrt[s(s-a)(s-b)(s-c)]
\n" ); document.write( " = Sqrt[11.5*(11.5-5)(11.5-8)(11.5-10)
\n" ); document.write( " = Sqrt [ 11.5*6.5*3.5*1.5]
\n" ); document.write( " = 19.81
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